Datasets

Bird monitoring data resources represent arguably the most comprehensive time-series environmental data in existence. These data, gathered by hundreds of independent projects, have collected over 100 million records over the past 100 years.

Show datasets for project: all projects Alberta Nocturnal Owl Survey American Woodcock Singing Ground Survey Atlantic Canada Bank Swallow Monitoring Atlantic Canada Coastal Waterbird Survey Atlantic Canada Nocturnal Owl Survey BC & North Nocturnal Owl Survey BC Joint Venture Monitoring Beached Bird Surveys Bird Banding Lab Bird Conservation Network Birds Canada - Species at risk program Breeding Bird Survey British Columbia Breeding Bird Atlas British Columbia Coastal Waterbird Survey British Columbia Marsh Monitoring Program Canadian Migration Monitoring Network Christmas Bird Count Global Biodiversity Information Facility datasets Grassland Bird Monitoring Program Great Backyard Bird Count Manitoba Breeding Bird Atlas Manitoba Nocturnal Owl Survey Maritimes Breeding Bird Atlas Maritimes Marsh Monitoring Program Marsh Monitoring Program Mountain Bird Watch NatureCounts NatureCounts (hosted datasets) Newfoundland Breeding Bird Atlas North American Nightjar Survey Ontario Bank Swallow Project Ontario Breeding Bird Atlas Ontario Owl Survey Ontario Whip-poor-will Project Program for Regional and International Shorebird Monitoring Project FeederWatch Project NestWatch Québec Breeding Bird Atlas Québec Nocturnal Owl Survey Raptor Population Index Renfrew County Biotabase Saskatchewan Breeding Bird Atlas Saskatchewan Nocturnal Owl Survey Swifts and Swallows Trinational Monarch Knowledge Network WildTrax eBird Canada

		Records	Access Level
1	EBird Canada (Ontario) eBird Canada - Birds Canada, QuébecOiseaux, Cornell Lab of Ornithology	66,950,217	Level 3
2	EBird Canada (Québec) eBird Canada - Birds Canada, QuébecOiseaux, Cornell Lab of Ornithology	49,161,016	Level 3
3	EBird Canada (BC) eBird Canada - Birds Canada, QuébecOiseaux, Cornell Lab of Ornithology	33,281,495	Level 3
4	EBird Canada (Prairies) eBird Canada - Birds Canada, QuébecOiseaux, Cornell Lab of Ornithology	20,498,240	Level 3
5	North American Bird Banding Program (1960-1969) Bird Banding Lab - United States Geological Survey, Environment and Climate Change Canada	15,045,208	Level 5
6	North American Bird Banding Program (2000-2009) Bird Banding Lab - United States Geological Survey, Environment and Climate Change Canada	14,517,662	Level 5
7	North American Bird Banding Program (2010-2019) Bird Banding Lab - United States Geological Survey, Environment and Climate Change Canada	13,152,620	Level 5
8	North American Bird Banding Program (1990-1999) Bird Banding Lab - United States Geological Survey, Environment and Climate Change Canada	12,847,752	Level 5
9	North American Bird Banding Program (1970-1979) Bird Banding Lab - United States Geological Survey, Environment and Climate Change Canada	12,837,516	Level 5
10	Breeding Bird Surveys (50 stops, Western US) Breeding Bird Survey - Canadian Wildlife Service, United States Geological Survey	12,588,523	Level 3
11	EBird Canada (Atlantic) eBird Canada - Birds Canada, QuébecOiseaux, Cornell Lab of Ornithology	12,497,384	Level 3
12	North American Bird Banding Program (1980-1989) Bird Banding Lab - United States Geological Survey, Environment and Climate Change Canada	11,894,062	Level 5
13	Breeding Bird Surveys (50 stops, Eastern US) Breeding Bird Survey - Canadian Wildlife Service, United States Geological Survey	11,619,121	Level 3
14	Project FeederWatch (Eastern US) Project FeederWatch - Birds Canada, Cornell Lab of Ornithology	8,651,386	Level 2
15	Christmas Bird Counts Christmas Bird Count - Birds Canada, National Audubon Society	7,570,427	Level 3
16	Project FeederWatch (Western US) Project FeederWatch - Birds Canada, Cornell Lab of Ornithology	5,631,851	Level 2
17	North American Bird Banding Program (2020-2029) Bird Banding Lab - United States Geological Survey, Environment and Climate Change Canada	5,515,785	Level 5
18	Breeding Bird Surveys (total per route) Breeding Bird Survey - Canadian Wildlife Service, United States Geological Survey	5,240,165	Level 5
19	Breeding Bird Surveys (50 stops, Canada) Breeding Bird Survey - Canadian Wildlife Service, United States Geological Survey	4,934,110	Level 3
20	Project FeederWatch (Canada) Project FeederWatch - Birds Canada, Cornell Lab of Ornithology	3,835,040	Level 5
21	Ontario Breeding Bird Atlas (2021-2025): checklist data Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Environment and Climate Change Canada, Ontario Field Ornithologists, Ontario Nature	3,551,301	Level 3
22	EBird Canada (North) eBird Canada - Birds Canada, QuébecOiseaux, Cornell Lab of Ornithology	1,644,129	Level 3
23	CMMN Banding Data: Long Point Bird Observatory Canadian Migration Monitoring Network - Birds Canada	1,261,338	Level 3
24	CMMN Daily Estimated Totals: Long Point Bird Observatory Canadian Migration Monitoring Network - Birds Canada	1,232,905	Level 3
25	iNaturalist Research-grade Observations Global Biodiversity Information Facility datasets	1,073,533	Level 5
26	Ontario Breeding Bird Atlas (2021-2025): point count data Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Environment and Climate Change Canada, Ontario Field Ornithologists, Ontario Nature	787,249	Level 3
27	Québec Breeding Bird Atlas (2010-2014): raw breeding evidence Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	601,540	Level 5
28	Ontario Breeding Bird Atlas (2001-2005): point count data Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, Ontario Nature	592,425	Level 5
29	Saskatchewan Breeding Bird Atlas (2017-2021): daily observations Saskatchewan Breeding Bird Atlas - Birds Canada, Nature Saskatchewan, Environment and Climate Change Canada, Nature Conservancy of Canada, Saskatchewan Wildlife Federation, Ministry of Environment, Saskatchewan	575,007	Level 3
30	Ontario Breeding Bird Atlas (2001-2005): raw breeding evidence Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, Ontario Nature	541,743	Level 5
31	Great Lakes Marsh Monitoring Program - Bird Surveys Marsh Monitoring Program - Birds Canada, Western Atlantic Shorebird Association, Canadian Wildlife Service, Ontario Atlas (BAM Version)	507,500	Level 3
32	Birds of British Columbia NatureCounts	498,444	Level 2
33	British Columbia Coastal Waterbirds Survey British Columbia Coastal Waterbird Survey - Birds Canada, Canadian Wildlife Service	449,640	Level 3
34	Project Nestwatch Project NestWatch - Birds Canada, Environment and Climate Change Canada	418,100	Level 3
35	Ontario Breeding Bird Atlas (1981-1985): raw breeding evidence Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, Ontario Nature	407,287	Level 5
36	Great Backyard Bird Count Great Backyard Bird Count - National Audubon Society, Cornell Lab of Ornithology	394,654	Level 3
37	Alberta Bird Records NatureCounts (hosted datasets) - Nature Alberta	357,264	Level 5
38	British Columbia Breeding Bird Atlas (2008-2012): raw breeding evidence British Columbia Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, British Columbia Ministry of Environment, BC Nature, BC Field Ornithologists, Biodiversity Centre for Wildlife Studies, Louisiana Pacific, Pacific Wildlife Foundation, The	344,433	Level 5
39	Québec Breeding Bird Atlas (2010-2014): point count data Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	341,902	Level 5
40	Manitoba Breeding Bird Atlas (2010-2014): raw breeding evidence Manitoba Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Nature Conservancy of Canada, Manitoba Sustainable Development, Nature Manitoba, The Manitoba Museum, Manitoba Hydro	326,428	Level 5
41	Ontario Bird Feeder Survey Project FeederWatch - Birds Canada	324,560	Level 5
42	Manitoba Breeding Bird Atlas (2010-2014): point count data Manitoba Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Nature Conservancy of Canada, Manitoba Sustainable Development, Nature Manitoba, The Manitoba Museum, Manitoba Hydro	306,094	Level 5
43	Bird Conservation Network Bird Conservation Network - Cornell Lab of Ornithology, Bird Conservation Network	287,306	Level 5
44	Québec Breeding Bird Atlas (2010-2014): daily observations Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	283,034	Level 5
45	CMMN Daily Estimated Totals: Haldimand Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Haldimand Bird Observatory	269,166	Level 5
46	Maritimes Breeding Bird Atlas (2006-2010): raw breeding evidence Maritimes Breeding Bird Atlas - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources, Nova Scotia Department of Natural Resources, Canadian Wildlife Service, Nature NB, Nova Scotia Bird Society, Natural History Society of Prince Edward Island	263,809	Level 5
47	Ontario Breeding Bird Atlas (2021-2025): highest breeding evidence per square Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Environment and Climate Change Canada, Ontario Field Ornithologists, Ontario Nature	263,519	Level 3
48	British Columbia Breeding Bird Atlas (2008-2012): point count data British Columbia Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, Canadian Wildlife Service, British Columbia Ministry of Environment, BC Nature, BC Field Ornithologists, Biodiversity Centre for Wildlife Studies, Louisiana Pacific, Pacific Wildlife Foundation, The	260,647	Level 5
49	Ontario Breeding Bird Atlas (2001-2005): highest breeding evidence per square Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, Ontario Nature	256,702	Level 5
50	Québec Breeding Bird Atlas (2010-2014): highest breeding evidence per square Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	231,775	Level 5
51	Saskatchewan Breeding Bird Atlas (2017-2021): point count data Saskatchewan Breeding Bird Atlas - Birds Canada, Nature Saskatchewan, Environment and Climate Change Canada, Nature Conservancy of Canada, Saskatchewan Wildlife Federation, Ministry of Environment, Saskatchewan	223,631	Level 3
52	CMMN Daily Estimated Totals: Rocky Point Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Rocky Point Bird Observatory, Canada Department of National Defense	221,146	Level 3
53	Newfoundland Breeding Bird Atlas (2020-2024): daily observations Newfoundland Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Memorial University of Newfoundland, Parks Canada, Department of Fisheries, Forestry and Agriculture, Newfoundland, Stewardship Association of Municipalities Inc., Eastern Habitat Joint Venture	219,151	Level 3
54	Ontario Breeding Bird Atlas (1981-1985): highest breeding evidence per square Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, Ontario Nature	205,816	Level 5
55	Alberta Breeding Bird Atlas (2000-2005) NatureCounts (hosted datasets) - Nature Alberta	201,357	Level 5
56	Québec Breeding Bird Atlas (1984-1989): raw breeding evidence Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	198,816	Level 5
57	CMMN Daily Estimated Totals: Prince Edward Point Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Prince Edward Point Bird Observatory	177,945	Level 3
58	Grassland Bird Monitoring Program Grassland Bird Monitoring Program - Birds Canada, Canadian Wildlife Service	177,395	Level 2
59	CMMN Daily Estimated Totals: Thunder Cape Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Thunder Cape Bird Observatory	170,850	Level 3
60	British Columbia Breeding Bird Atlas (2008-2012): highest breeding evidence per square British Columbia Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, Canadian Wildlife Service, British Columbia Ministry of Environment, BC Nature, BC Field Ornithologists, Biodiversity Centre for Wildlife Studies, Louisiana Pacific, Pacific Wildlife Foundation, The	165,485	Level 5
61	CMMN Daily Estimated Totals: Pelee Island Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Pelee Island Bird Observatory	158,362	Level 3
62	Manitoba Breeding Bird Atlas (2010-2014): highest breeding evidence per square Manitoba Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Nature Conservancy of Canada, Manitoba Sustainable Development, Nature Manitoba, The Manitoba Museum, Manitoba Hydro	154,855	Level 5
63	CMMN Daily Estimated Totals: Lesser Slave Lake Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Lesser Slave Lake Bird Observatory, Alberta Parks	147,756	Level 3
64	Monarch Watch Trinational Monarch Knowledge Network	145,665	Level 5
65	Maritimes Breeding Bird Atlas (1986-1990): raw breeding evidence Maritimes Breeding Bird Atlas - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources, Nova Scotia Department of Natural Resources, Canadian Wildlife Service, Nature NB, Nova Scotia Bird Society, Natural History Society of Prince Edward Island	142,920	Level 5
66	Québec Breeding Bird Atlas (1984-1989): highest breeding evidence per square Québec Breeding Bird Atlas - Canadian Wildlife Service, QuébecOiseaux	136,333	Level 5
67	Maritimes Breeding Bird Atlas (2006-2010): point count data Maritimes Breeding Bird Atlas - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources, Nova Scotia Department of Natural Resources, Canadian Wildlife Service, Nature NB, Nova Scotia Bird Society, Natural History Society of Prince Edward Island	127,447	Level 5
68	Saskatchewan Breeding Bird Atlas (2017-2021): highest breeding evidence per square Saskatchewan Breeding Bird Atlas - Birds Canada, Nature Saskatchewan, Environment and Climate Change Canada, Nature Conservancy of Canada, Saskatchewan Wildlife Federation, Ministry of Environment, Saskatchewan	127,194	Level 3
69	Alberta Breeding Bird Atlas (1987-1992) NatureCounts (hosted datasets) - Federation of Alberta Naturalists	123,364	Level 5
70	Boreal Wetland Community Monitoring WildTrax - Bioacoustic Unit	123,247	Level 5
71	PIROP Northwest Atlantic 1965-1992 Global Biodiversity Information Facility datasets	123,234	Level 5
72	CMMN Daily Estimated Totals: McGill Bird Observatory Canadian Migration Monitoring Network - Birds Canada, McGill Bird Observatory	123,074	Level 3
73	CMMN Daily Estimated Totals: Bruce Peninsula Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Bruce Peninsula Bird Observatory, Ontario Parks	117,331	Level 3
74	Maritimes Breeding Bird Atlas (2006-2010): highest breeding evidence per square Maritimes Breeding Bird Atlas - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources, Nova Scotia Department of Natural Resources, Canadian Wildlife Service, Nature NB, Nova Scotia Bird Society, Natural History Society of Prince Edward Island	114,616	Level 5
75	Raptor Population Index Raptor Population Index - Hawk Migration Association of North America	112,673	Level 4
76	CMMN Daily Estimated Totals: Observatoire d'oiseaux de Tadoussac Canadian Migration Monitoring Network - Birds Canada, Environment and Climate Change Canada, Observatoire d'oiseaux de Tadoussac, Explos-Nature	104,241	Level 3
77	Great Lakes Marsh Monitoring Program - Amphibian Surveys Marsh Monitoring Program - Birds Canada, Canadian Wildlife Service, Ontario Atlas (BAM Version)	103,954	Level 3
78	CMMN Daily Estimated Totals: Tommy Thompson Park Bird Research Station Canadian Migration Monitoring Network - Birds Canada, Tommy Thompson Park Bird Research Station, Tommy Thompson Park, Toronto and Region Conservation Authority	97,888	Level 3
79	CMMN Daily Estimated Totals: Beaverhill Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Beaverhill Bird Observatory	95,047	Level 3
80	Manitoba Breeding Bird Atlas (2010-2014): daily observations Manitoba Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Nature Conservancy of Canada, Manitoba Sustainable Development, Nature Manitoba, The Manitoba Museum, Manitoba Hydro	93,876	Level 5
81	Maritimes Breeding Bird Atlas (1986-1990): highest breeding evidence per square Maritimes Breeding Bird Atlas - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources, Nova Scotia Department of Natural Resources, Canadian Wildlife Service, Nature NB, Nova Scotia Bird Society, Natural History Society of Prince Edward Island	93,053	Level 5
82	Ontario Nocturnal Owls Survey Ontario Owl Survey - Birds Canada, Ontario Ministry of Natural Resources and Forestry	85,140	Level 3
83	CMMN Daily Estimated Totals: Atlantic Bird Observatory Canadian Migration Monitoring Network - Atlantic Bird Observatory	84,976	Level 3
84	CMMN Daily Estimated Totals: Delta Marsh Bird Observatory Canadian Migration Monitoring Network - Delta Marsh Bird Observatory	84,615	Level 3
85	Canadian Museum of Nature Bird Collection Global Biodiversity Information Facility datasets	83,648	Level 5
86	CMMN Daily Estimated Totals: Mackenzie Nature Observatory Canadian Migration Monitoring Network - Birds Canada, Mackenzie Nature Observatory	81,273	Level 3
87	EBird Canada (sensitive records) eBird Canada - Birds Canada, QuébecOiseaux, Cornell Lab of Ornithology	79,238	Level 3
88	USGS PWRC - Bird Phenology Program Global Biodiversity Information Facility datasets	74,464	Level 5
89	CWS-Ontario Winisk and Sutton River Systems 2022-2023 WildTrax - Canadian Wildlife Service - Ontario Region	71,731	Level 5
90	CMMN Daily Estimated Totals: Last Mountain Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Last Mountain Bird Observatory	70,864	Level 3
91	CMMN Daily Estimated Totals: Vaseux Lake Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Vaseux Lake Migration Monitoring Station, Okanagan Similkameen Conservation Alliance	67,125	Level 5
92	CMMN Daily Estimated Totals: Whitefish Point Bird Observatory Canadian Migration Monitoring Network - Whitefish Point Bird Observatory, Michigan Audubon Society	61,440	Level 2
93	Ontario Breeding Bird Atlas (2021-2025): species at risk data Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Environment and Climate Change Canada, Ontario Field Ornithologists, Ontario Nature	60,245	Level 3
94	Big Grids WildTrax - Bioacoustic Unit	57,821	Level 5
95	Ontario Shorebird Survey Program for Regional and International Shorebird Monitoring - Environment and Climate Change Canada	53,736	Level 5
96	Ontario Breeding Bird Atlas (2021-2025): special surveys Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Environment and Climate Change Canada, Ontario Field Ornithologists, Ontario Nature	53,155	Level 3
97	Ornithology Collection Passeriformes - Royal Ontario Museum Global Biodiversity Information Facility datasets	53,087	Level 5
98	CMMN Daily Estimated Totals: Innis Point Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Innis Point Bird Observatory	49,532	Level 3
99	Feuillet d'observations quotidiennes des oiseaux du Québec NatureCounts - QuébecOiseaux	47,828	Level 2
100	Ecosystem Health 2017 WildTrax - Alberta Biodiversity Monitoring Institute	46,762	Level 5
101	CWS-Ontario Boreal Shield-Lowlands Transition 2022 WildTrax - Canadian Wildlife Service - Ontario Region	44,879	Level 5
102	Newfoundland Breeding Bird Atlas (2020-2024): point count data Newfoundland Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Memorial University of Newfoundland, Parks Canada, Department of Fisheries, Forestry and Agriculture, Newfoundland, Stewardship Association of Municipalities Inc., Eastern Habitat Joint Venture	43,456	Level 3
103	Saskatchewan Boreal Monitoring Strategy Point Counts 2015 to 2020 WildTrax - Canadian Wildlife Service - Prairie Region	42,850	Level 5
104	CWS-Ontario Birds of James Bay Lowlands 2021 WildTrax - Canadian Wildlife Service - Ontario Region	42,679	Level 5
105	Ecosystem Health 2016 WildTrax - Alberta Biodiversity Monitoring Institute	42,490	Level 5
106	CMMN Daily Estimated Totals: Teslin Lake Bird Banding Station Canadian Migration Monitoring Network - Birds Canada, Teslin Lake Bird Banding Station	42,415	Level 3
107	CMMN Daily Estimated Totals: Tatlayoko Lake Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Tatlayoko Lake Bird Observatory	41,991	Level 5
108	British Columbia Breeding Bird Atlas (2008-2012): daily observations British Columbia Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, British Columbia Ministry of Environment, BC Nature, BC Field Ornithologists	41,412	Level 5
109	Maritimes Marsh Monitoring Program Maritimes Marsh Monitoring Program - Birds Canada, Environment and Climate Change Canada, New Brunswick Department of Natural Resources, Prince Edward Island Fish and Wildlife Division, New Brunswick Wildlife Trust Fund	41,108	Level 3
110	Québec Breeding Bird Atlas (northern project): raw breeding evidence Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	40,707	Level 3
111	CWS-ON Sachigo and Severn River Systems 2023-2024 WildTrax - Canadian Wildlife Service - Ontario Region	39,982	Level 5
112	Québec Breeding Bird Atlas (2010-2014): rare species and colonial data Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	39,390	Level 2
113	JOSM ECCC Cause and Effect Monitoring for Landbirds 2013 WildTrax - Canadian Wildlife Service - Prairie Region	36,318	Level 5
114	Atlantic Nocturnal Owls Survey Atlantic Canada Nocturnal Owl Survey - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources	35,175	Level 3
115	Ecosystem Health 2018 WildTrax - Alberta Biodiversity Monitoring Institute	34,515	Level 5
116	Canadian Nightjar Survey North American Nightjar Survey - Birds Canada, WildResearch	33,800	Level 3
117	British Columbia Nocturnal Owls Survey BC & North Nocturnal Owl Survey - Birds Canada, British Columbia Ministry of Environment	33,286	Level 3
118	Ornithology Collection Non Passeriformes - Royal Ontario Museum Global Biodiversity Information Facility datasets	32,905	Level 5
119	CMMN Daily Estimated Totals: Albert Creek Bird Observatory Canadian Migration Monitoring Network - Birds Canada, Albert Creek Bird Observatory	32,208	Level 3
120	Manitoba Nocturnal Owls Survey Manitoba Nocturnal Owl Survey - Birds Canada, Manitoba Conservation	30,949	Level 3
121	Agricultural Conversion Data 1999, 2000 WildTrax - Canadian Wildlife Service - Prairie Region	29,927	Level 5
122	Newfoundland Breeding Bird Atlas (2020-2024): highest breeding evidence per square Newfoundland Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Memorial University of Newfoundland, Parks Canada, Department of Fisheries, Forestry and Agriculture, Newfoundland, Stewardship Association of Municipalities Inc., Eastern Habitat Joint Venture	28,015	Level 3
123	Ontario Breeding Bird Atlas (2001-2005): rare species and colonial data Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, Ontario Nature	27,970	Level 3
124	Red-shouldered Hawk and Spring Woodpecker Survey Birds Canada - Species at risk program - Birds Canada, Ontario Ministry of Natural Resources and Forestry	27,696	Level 3
125	Ontario Breeding Bird Atlas Digital Point Counts 2023 WildTrax - Canadian Wildlife Service - Ontario Region	27,330	Level 5
126	eButterfly Trinational Monarch Knowledge Network	26,192	Level 5
127	Québec Breeding Bird Atlas (northern project): highest breeding evidence per square Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	26,044	Level 3
128	Ecosystem Health 2019 WildTrax - Alberta Biodiversity Monitoring Institute	26,007	Level 5
129	CMMN Daily Estimated Totals: McKellar Island Bird Observatory Canadian Migration Monitoring Network - Birds Canada, McKellar Island Bird Observatory, Cenovus Energy, Thunder Bay Community Foundation, Superior Shores Gaming Association, Save Our Songbirds	24,468	Level 3
130	Québec Breeding Bird Atlas (northern project): point count data Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	24,322	Level 3
131	Québec Breeding Bird Atlas (northern project): daily observations Québec Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, QuébecOiseaux	23,737	Level 3
132	Atlantic Canada Coastal Waterbird Survey Atlantic Canada Coastal Waterbird Survey - Birds Canada, Canadian Wildlife Service, Environment and Climate Change Canada, Nature NB, Fisheries and Oceans Canada, Nature NL, Nature NS	22,889	Level 3
133	USGS Patuxent Wildlife Research Center Seabirds Compendium Global Biodiversity Information Facility datasets	22,605	Level 5
134	Ecosystem Health 2015 WildTrax - Alberta Biodiversity Monitoring Institute	22,474	Level 5
135	British Columbia Breeding Bird Atlas (2008-2012): rare species and colonial data British Columbia Breeding Bird Atlas - Birds Canada, Canadian Wildlife Service, Canadian Wildlife Service, British Columbia Ministry of Environment, BC Nature, BC Field Ornithologists, Biodiversity Centre for Wildlife Studies, Louisiana Pacific, Pacific Wildlife Foundation, The	21,884	Level 3
136	JOSM Resampling ECCC Cause and Effect Monitoring for Landbirds 2014 WildTrax - Canadian Wildlife Service - Prairie Region	21,320	Level 5
137	Alberta Nocturnal Owls Survey Alberta Nocturnal Owl Survey - Birds Canada, Canadian Wildlife Service, Beaverhill Bird Observatory, STRIX Ecological Consulting	20,956	Level 3
138	CMMN Daily Estimated Totals: Oak Hammock Marsh Canadian Migration Monitoring Network - Birds Canada, Environment and Climate Change Canada, Nature Manitoba, Harry J. Enns Wetland Discovery Centre	20,017	Level 3
139	SwiftWatch Swifts and Swallows - Birds Canada	20,016	Level 3
140	Old Growth Forest Monitoring WildTrax - Bioacoustic Unit	19,180	Level 5
141	Royal British Columbia Museum Global Biodiversity Information Facility datasets	19,124	Level 5
142	Provincial Museum of Alberta, Edmonton, AB, Canada. Birds (Aves) Global Biodiversity Information Facility datasets	18,667	Level 5
143	Québec Nocturnal Owls Survey Québec Nocturnal Owl Survey - Birds Canada, Birds Protection Québec	18,070	Level 3
144	American Woodcock Singing Grounds Survey American Woodcock Singing Ground Survey - U.S. Fish and Wildlife Service, Birds Canada, Canadian Wildlife Service, Pennsylvania Game Commission, United States Geological Survey, United States National Park Service, New York State Department of Environmental Conservation, Ontario Ministry of Natural Resources and Forestry, Vermont Fish and Wildlife Department, Michigan Department of Natural Resources, Minnesota Department Natural Resources, New Brunswick Department of Natural Resources, New Jersey Division of Fish, Game and Wildlife, Wisconsin Department of Natural Resources, Connecticut Department of Energy and Environmental Protection, Delaware Division of Fish & Wildlife, Illinois Department of Natural Resources, Indiana Department of Natural Resources, Le Club des bécassiers du Québec, Massachusetts Division of Fisheries and Wildlife, Manitoba Department of Economic Development, Investment, Trade and Natural Resources, Bioacoustic Unit, Boutin Research Group, Friends of Elk Island Society, Nature Conservancy of Canada, Golder, West Fraser, National Parks, Banff National Park, Weyerhaeuser Company, Betts Forest Landscape Ecology Lab, Imbeau Lab - Université du Québec en Abitibi-Témiscamingue, Drapeau Lab Université du Québec à Montréal	17,968	Level 3
145	Observation.org, Nature data from around the World Global Biodiversity Information Facility datasets	17,166	Level 5
146	British Columbia Marsh Monitoring Program - Bird Surveys British Columbia Marsh Monitoring Program - Birds Canada, Environment and Climate Change Canada, WildResearch	16,599	Level 3
147	Mountain Bird Watch Mountain Bird Watch - Birds Canada, Environment and Climate Change Canada, Parks Canada, Government of New Brunswick, New Brunswick Wildlife Trust Fund, Manitoba Atlas (BAM Version), Maritime Atlas (BAM Version)	16,131	Level 3
148	British Columbia Joint Venture BC Joint Venture Monitoring - Environment and Climate Change Canada, Nature Conservancy of Canada, Ducks Unlimited Canada, Nature Trust of British Columbia, Wildlife Habitat Canada, Province of British Columbia	15,890	Level 3
149	Ontario Breeding Bird Atlas Digital Point Counts 2022 WildTrax - Canadian Wildlife Service - Ontario Region	15,693	Level 5
150	Manitoba Breeding Bird Atlas (2010-2014): rare species and colonial data Manitoba Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Nature Conservancy of Canada, Manitoba Sustainable Development, Nature Manitoba, The Manitoba Museum, Manitoba Hydro	15,621	Level 3
151	CMMN Daily Estimated Totals: Inglewood Bird Sanctuary Canadian Migration Monitoring Network - Birds Canada, Inglewood Bird Sanctuary, Calgary Bird Banding Society	15,593	Level 3
152	CWS-Ontario Lake Abitibi Diurnal Bird Surveys - 2024 WildTrax - Canadian Wildlife Service - Ontario Region	14,709	Level 5
153	Ontario Breeding Bird Atlas Digital Point Counts 2024 WildTrax - Canadian Wildlife Service - Ontario Region	14,262	Level 5
154	Maritimes Breeding Bird Atlas (2006-2010): rare species and colonial data Maritimes Breeding Bird Atlas - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources, Nova Scotia Department of Natural Resources, Canadian Wildlife Service, Nature NB, Nova Scotia Bird Society, Natural History Society of Prince Edward Island	14,213	Level 3
155	Museum of Comparative Zoology, Harvard University Global Biodiversity Information Facility datasets	14,204	Level 5
156	CWS: Waterbird colony database (Atlantic region) Global Biodiversity Information Facility datasets	13,304	Level 5
157	Renfrew County Biotabase Renfrew County Biotabase - Pembroke Area Field Naturalists	13,055	Level 5
158	Marine bird density and distribution on Canada's Pacific coast, 2005-2008 Global Biodiversity Information Facility datasets	12,866	Level 5
159	Timmins (VSN930) 2022 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	12,309	Level 5
160	CWS-Ontario HADMU Recordings - 2022 WildTrax - Canadian Wildlife Service - Ontario Region	11,589	Level 5
161	British Columbia Marine Bird Atlas British Columbia Coastal Waterbird Survey - Birds Canada	11,291	Level 5
162	MVZ Bird Collection (Arctos) Global Biodiversity Information Facility datasets	11,252	Level 5
163	Big Grids WildTrax - Alberta Biodiversity Monitoring Institute	11,104	Level 5
164	Ontario Breeding Bird Atlas Digital Point Counts 2021 WildTrax - Canadian Wildlife Service - Ontario Region	10,426	Level 5
165	British Columbia Beached Birds Survey Beached Bird Surveys - Birds Canada, Canadian Wildlife Service	10,121	Level 3
166	Atlantic Canada Shorebird Survey Program for Regional and International Shorebird Monitoring - Environment and Climate Change Canada	10,059	Level 3
167	Dog River 2021 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	9,651	Level 5
168	Community tagging: EMCLA Pilot Program 2012 WildTrax - Bioacoustic Unit	9,492	Level 5
169	General Community from Understory Protection WildTrax - Bioacoustic Unit	9,352	Level 5
170	Ontario Breeding Bird Atlas Digital Point Counts 2023 - late arrivals WildTrax - Canadian Wildlife Service - Ontario Region	9,342	Level 5
171	Royal Saskatchewan Museum - Ornithology Collection Global Biodiversity Information Facility datasets	9,110	Level 5
172	Western Monarch Milkweed Mapper Trinational Monarch Knowledge Network	8,981	Level 5
173	Saskatchewan Boreal Bird Monitoring Program Point Counts 2021 and 2022 WildTrax - Canadian Wildlife Service - Prairie Region	8,547	Level 5
174	Alberta CAWA Project 2012 West WildTrax - Bioacoustic Unit	8,353	Level 5
175	Before-After Dose Response Project 2021 WildTrax - Alberta Biodiversity Monitoring Institute	8,245	Level 5
176	Northern Ontario Between Rivers Study 2019 WildTrax - Canadian Wildlife Service - Ontario Region	8,062	Level 5
177	Cowan Tetrapod Collection - Birds Global Biodiversity Information Facility datasets	7,736	Level 5
178	CWS-Ontario HADMU Recordings - 2021 WildTrax - Canadian Wildlife Service - Ontario Region	7,544	Level 5
179	Field Museum of Natural History (Zoology) Bird Collection Global Biodiversity Information Facility datasets	7,469	Level 5
180	Pineland FMU 2023 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	7,409	Level 5
181	Hearst FMU 2023 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	7,039	Level 5
182	General-CommunityFarmEdgeInterior-2014 WildTrax - Bioacoustic Unit	6,970	Level 5
183	House River Bird Surveys 2003 WildTrax - Canadian Wildlife Service - Prairie Region	6,824	Level 5
184	naturgucker Global Biodiversity Information Facility datasets	6,726	Level 5
185	Ecosystem Health 2020 WildTrax - Alberta Biodiversity Monitoring Institute	6,679	Level 5
186	NBM birds Global Biodiversity Information Facility datasets	6,671	Level 5
187	Lake Erie Bank Swallow Burrow Counts Ontario Bank Swallow Project - Birds Canada, Environment and Climate Change Canada, Ontario Power Generation	6,612	Level 3
188	CMMN Daily Estimated Totals: St. Andrews Bird Banding Station Canadian Migration Monitoring Network - Birds Canada, St. Andrews Bird Banding Station	6,362	Level 2
189	Edge-Interior Surveys 2017 WildTrax - Alberta Biodiversity Monitoring Institute	6,289	Level 5
190	CWS-Ontario Boreal FMUs - ARUs 2018 WildTrax - Canadian Wildlife Service - Ontario Region	6,206	Level 5
191	Xeno-canto - Wildlife sounds from around the world Global Biodiversity Information Facility datasets	6,198	Level 5
192	CWS-Ontario Lake Superior NMCA 2024 WildTrax - Canadian Wildlife Service - Ontario Region	6,129	Level 5
193	University of Michigan Museum of Zoology, Division of Birds Global Biodiversity Information Facility datasets	5,852	Level 5
194	General-Community-CallingLakeFragmentationStudy-2020 WildTrax - Bioacoustic Unit	5,829	Level 5
195	CWS-Ontario Lake Superior NMCA 2023 WildTrax - Canadian Wildlife Service - Ontario Region	5,818	Level 5
196	CWS-Ontario Boreal FMUs - ARUs 2023 WildTrax - Canadian Wildlife Service - Ontario Region	5,740	Level 5
197	Prairie Shorebird Survey Program for Regional and International Shorebird Monitoring - Canadian Wildlife Service, University of Saskatchewan, Chaplin Nature Center	5,586	Level 3
198	Landscape Biodiversity Project Point Counts 1997 WildTrax - Bioacoustic Unit	5,481	Level 5
199	CWS-Ontario Akimiski Island 2022 WildTrax - Canadian Wildlife Service - Ontario Region	5,369	Level 5
200	Big Grid Pilot Program 2014 WildTrax - Bioacoustic Unit	5,325	Level 5
201	Arctic Species Trend Index (ASTI) : Terrestrial Global Biodiversity Information Facility datasets	5,292	Level 5
202	Aspen Seismic Lines 2002 WildTrax - Bioacoustic Unit	5,287	Level 5
203	Manitoba Model Forest Bird Monitoring Program 94 1994 WildTrax - Canadian Wildlife Service - Prairie Region	5,153	Level 5
204	Big River Spruce Budworm Study 1993 WildTrax - Canadian Wildlife Service - Prairie Region	5,054	Level 5
205	Prince Albert Model Forest Gradient Data 1993, 1994 WildTrax - Canadian Wildlife Service - Prairie Region	5,028	Level 5
206	YT High Elevation Monitoring Program CWS Northern Region 2021 WildTrax - Canadian Wildlife Service - Northern Region	5,025	Level 5
207	General-Community-HillsRefugia-2014 WildTrax - Bioacoustic Unit	4,843	Level 5
208	CWS-Ontario Lake Superior NMCA 2022 WildTrax - Canadian Wildlife Service - Ontario Region	4,834	Level 5
209	White River FMU 2023 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	4,824	Level 5
210	Black Spruce FMU 2022 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	4,728	Level 5
211	CWS-Ontario Lake Superior NMCA 2021 WildTrax - Canadian Wildlife Service - Ontario Region	4,563	Level 5
212	CWS-Ontario Atlas Northern River Trips 2022 WildTrax - Canadian Wildlife Service - Ontario Region	4,548	Level 5
213	Prince Albert National Park Bird Surveys 2001 WildTrax - Canadian Wildlife Service - Prairie Region	4,545	Level 5
214	YT Boreal Monitoring Program CWS Northern Region 2019 WildTrax - Canadian Wildlife Service - Northern Region	4,497	Level 5
215	Saskatchewan Breeding Bird Atlas (2017-2021): species at risk data Saskatchewan Breeding Bird Atlas - Birds Canada, Nature Saskatchewan, Environment and Climate Change Canada, Nature Conservancy of Canada, Saskatchewan Wildlife Federation, Ministry of Environment, Saskatchewan	4,395	Level 3
216	Mission Monarch Trinational Monarch Knowledge Network	4,343	Level 5
217	CWS-Ontario Boreal FMUs - ARUs 2019 WildTrax - Canadian Wildlife Service - Ontario Region	4,291	Level 5
218	CWS-Ontario Hudson Bay Coast - Incidental Sites - 2022-23 WildTrax - Canadian Wildlife Service - Ontario Region	4,266	Level 5
219	NHMO Bird collection Global Biodiversity Information Facility datasets	4,079	Level 5
220	Nest records cards - Kathy Martin Project NestWatch - University of British Columbia	4,008	Level 5
221	Teslin Forest Bird Surveys 2009 to 2010 YT WildTrax - Canadian Wildlife Service - Northern Region	3,973	Level 5
222	Ecosystem Health 2021 WildTrax - Alberta Biodiversity Monitoring Institute	3,734	Level 5
223	Boundary Waters East FMU 2022 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	3,676	Level 5
224	Québec Beached Birds Survey Beached Bird Surveys - Birds Canada	3,557	Level 3
225	YT High Elevation Monitoring Program CWS Northern Region 2019 WildTrax - Canadian Wildlife Service - Northern Region	3,552	Level 5
226	Saskatchewan Nocturnal Owl Survey Saskatchewan Nocturnal Owl Survey - Birds Canada	3,545	Level 3
227	Boundary Waters West FMU 2022 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	3,539	Level 5
228	CMMN Daily Estimated Totals: Hilliardton Marsh Research and Education Centre Canadian Migration Monitoring Network	3,509	Level 3
229	Long Point Bird Observatory Monarch Butterfly Census Canadian Migration Monitoring Network - Long Point Bird Observatory	3,482	Level 3
230	Compressor Noise Impacts on Boreal Birds 2003 WildTrax - Bioacoustic Unit	3,439	Level 5
231	Royal Saskatchewan Museum - Owl Pellet Collection Global Biodiversity Information Facility datasets	3,315	Level 5
232	Manitoba Model Forest Bird Monitoring Program 95 1995 WildTrax - Canadian Wildlife Service - Prairie Region	3,301	Level 5
233	CWS-Ontario Boreal FMUs - ARUs 2024 WildTrax - Canadian Wildlife Service - Ontario Region	3,296	Level 5
234	El Herbario Nacional de México Trinational Monarch Knowledge Network	3,251	Level 5
235	International Barcode of Life project (iBOL) Global Biodiversity Information Facility datasets	3,249	Level 5
236	Fragmentation Related Bird Surveys 1993 WildTrax - Canadian Wildlife Service - Prairie Region	3,199	Level 5
237	CWS-Ontario Hudson Bay Coast Boreal Hexagons 2022 WildTrax - Canadian Wildlife Service - Ontario Region	3,152	Level 5
238	YT Boreal Monitoring Program CWS Northern Region 2017/18 WildTrax - Canadian Wildlife Service - Northern Region	3,141	Level 5
239	IPHC seabird survey 2002-2011 Global Biodiversity Information Facility datasets	3,092	Level 5
240	Ontario Breeding Bird Atlas Digital Point Counts (2021 - 2022 Late Arrivals) WildTrax - Canadian Wildlife Service - Ontario Region	3,051	Level 5
241	Ontario Whip-poor-will Project Ontario Whip-poor-will Project - Birds Canada	3,012	Level 5
242	Oilsands Bird Survey Data 1999 WildTrax - Canadian Wildlife Service - Prairie Region	2,984	Level 5
243	CWS-Ontario PEP NWA - ARUs 2019 WildTrax - Canadian Wildlife Service - Ontario Region	2,895	Level 5
244	Vertebrate Zoology Division - Ornithology, Yale Peabody Museum Global Biodiversity Information Facility datasets	2,873	Level 5
245	Owl Monitoring Program at Industrial Sites 2013 WildTrax - Bioacoustic Unit	2,818	Level 5
246	Woodpeckers Beetle-affected Forest Southwest Yukon 2007 to 2008 YT WildTrax - Canadian Wildlife Service - Northern Region	2,805	Level 5
247	CWS-Ontario Incidental Atlas ARUs - 2022 WildTrax - Canadian Wildlife Service - Ontario Region	2,804	Level 5
248	Teslin Forest Birds Project 2000-2003 YT WildTrax - Canadian Wildlife Service - Northern Region	2,667	Level 5
249	Bird Monitoring 2021 WildTrax - Banff National Park	2,589	Level 5
250	CWS-Ontario Lake Nipigon Ecoregion 2021 WildTrax - Canadian Wildlife Service - Ontario Region	2,578	Level 5
251	La Ronge Point Counts 1995 WildTrax - Canadian Wildlife Service - Prairie Region	2,502	Level 5
252	CWS-Ontario Wabakimi 2021 WildTrax - Canadian Wildlife Service - Ontario Region	2,474	Level 5
253	Spanish FMU 2023 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	2,453	Level 5
254	NWT Seismic Line Recovery Project 2010 WildTrax - Bioacoustic Unit	2,444	Level 5
255	Bird Monitoring 2022 WildTrax - Banff National Park	2,430	Level 5
256	Monitoring of CORA at WHCR Nests 2019 WildTrax - Canadian Wildlife Service - Prairie Region	2,389	Level 5
257	WFVZ Bird Collections Global Biodiversity Information Facility datasets	2,375	Level 5
258	CWS-Ontario Hudson Bay Coast Boreal Hexagons - Extra Sites - 2022 WildTrax - Canadian Wildlife Service - Ontario Region	2,371	Level 5
259	Southern Yukon Riparian Bird Communities 1996 YT WildTrax - Canadian Wildlife Service - Northern Region	2,359	Level 5
260	CWS-Ontario Boreal FMUs - ARUs 2022 WildTrax - Canadian Wildlife Service - Ontario Region	2,358	Level 5
261	Elk Island National Park Forest Bird Surveys 2020 WildTrax - National Parks	2,228	Level 5
262	Manitoba Shield Bird Data 2006 WildTrax - Canadian Wildlife Service - Prairie Region	2,148	Level 5
263	CWS-ON Mississippi Lake NWA Bird Surveys - 2024 WildTrax - Canadian Wildlife Service - Ontario Region	2,094	Level 5
264	INSDC Sequences Global Biodiversity Information Facility datasets	2,040	Level 5
265	Meadow Lake Bird Count Data 1993 WildTrax - Canadian Wildlife Service - Prairie Region	1,937	Level 5
266	Wildresearch Nightjar Survey North American Nightjar Survey - WildResearch	1,875	Level 3
267	CWS-Ontario Atlas Digital Point Counts Boreal FMUs 2022 WildTrax - Canadian Wildlife Service - Ontario Region	1,830	Level 5
268	Elk Island National Park Forest Bird Surveys 2016 WildTrax - National Parks	1,799	Level 5
269	Okanagan Edge Effects WildTrax - Independent-Knight	1,775	Level 5
270	Elk Island National Park Forest Bird Surveys 2014 WildTrax - National Parks	1,741	Level 5
271	Elk Island National Park Forest Bird Surveys 2021 WildTrax - National Parks	1,719	Level 5
272	Elk Island National Park Forest Bird Surveys 2009 WildTrax - National Parks	1,717	Level 5
273	Elk Island National Park Forest Bird Surveys 2019 WildTrax - National Parks	1,704	Level 5
274	Elk Island National Park Forest Bird Surveys 2017 WildTrax - National Parks	1,699	Level 5
275	HE Paired Point Counts - CWS Pacific 2021 WildTrax - Canadian Wildlife Service - Pacific Region	1,694	Level 5
276	CWS-Ontario Incidental Atlas ARUs - 2024 WildTrax - Canadian Wildlife Service - Ontario Region	1,658	Level 5
277	Boreal Shield Bird Surveys Saskatchewan 2007 WildTrax - Canadian Wildlife Service - Prairie Region	1,657	Level 5
278	Elk Island National Park Forest Bird Surveys 2010 WildTrax - National Parks	1,638	Level 5
279	Elk Island National Park Forest Bird Surveys 2012 WildTrax - National Parks	1,627	Level 5
280	Elk Island National Park Forest Bird Surveys 2015 WildTrax - National Parks	1,626	Level 5
281	Ontario BioBlitz Species Records Global Biodiversity Information Facility datasets	1,619	Level 5
282	Comparing bird assemblages in successional black spruce stands 1993 WildTrax - Imbeau Lab - Université du Québec en Abitibi-Témiscamingue	1,611	Level 5
283	Elk Island National Park Forest Bird Surveys 2011 WildTrax - National Parks	1,610	Level 5
284	Black Spruce Seismic Lines 2004 WildTrax - Bioacoustic Unit	1,565	Level 5
285	Elk Island National Park Forest Bird Surveys 2022 WildTrax - National Parks	1,546	Level 5
286	MMS Ship Survey, PNW 1989 Global Biodiversity Information Facility datasets	1,537	Level 5
287	CWS-Ontario Birds of James Bay Lowlands 2021 (Resample) WildTrax - Canadian Wildlife Service - Ontario Region	1,530	Level 5
288	Elk Island National Park Forest Bird Surveys 2018 WildTrax - National Parks	1,518	Level 5
289	Forest Bird Surveys Fox Lake Burn 2010-2011 YT WildTrax - Canadian Wildlife Service - Northern Region	1,497	Level 5
290	Macaulay Library Audio and Video Collection Global Biodiversity Information Facility datasets	1,460	Level 5
291	McIntyre Creek Corridor Project 2021 WildTrax - Canadian Parks and Wilderness Society - Yukon Chapter	1,455	Level 5
292	Elk Island National Park Forest Bird Surveys 2013 WildTrax - National Parks	1,429	Level 5
293	Manning Linear Effects 2006-2007 WildTrax - Bioacoustic Unit	1,360	Level 5
294	Fort Simpson Linear Effects 2005-2006 WildTrax - Bioacoustic Unit	1,339	Level 5
295	CWS-Ontario Luther Marsh 2021 WildTrax - Canadian Wildlife Service - Ontario Region	1,337	Level 5
296	Borror Lab of Bioacoustics (BLB), Ohio State University Global Biodiversity Information Facility datasets	1,336	Level 5
297	General-Community-WoodBuffaloNationalPark-2018 WildTrax - Bioacoustic Unit	1,314	Level 5
298	Multi-species Sampling at WHCR Nest Locations 2019 WildTrax - Canadian Wildlife Service - Prairie Region	1,304	Level 5
299	Wellpad Regeneration Study 2008 WildTrax - Bioacoustic Unit	1,289	Level 5
300	ACCDC: Rare Species in Atlantic Canada and Adjacent Marine Waters Global Biodiversity Information Facility datasets	1,275	Level 5
301	Arctic Species Trend Index (ASTI) : Freshwater Global Biodiversity Information Facility datasets	1,260	Level 5
302	General Community Waterton Lakes National Park 2018 WildTrax - National Parks	1,253	Level 5
303	CWS-Ontario Birds of James Bay Lowlands - Extra Sites - 2021 WildTrax - Canadian Wildlife Service - Ontario Region	1,244	Level 5
304	CWS-Ontario Boreal Shield-Lowlands Transition - Extra Sites - 2022 WildTrax - Canadian Wildlife Service - Ontario Region	1,225	Level 5
305	KUBI Ornithology Collection Global Biodiversity Information Facility datasets	1,215	Level 5
306	CWS-ON Prince Edward Point NWA Bird Surveys - 2024 WildTrax - Canadian Wildlife Service - Ontario Region	1,179	Level 5
307	UWBM Ornithology Collection Global Biodiversity Information Facility datasets	1,142	Level 5
308	High Elevation Targeted Bird Surveys 2014 YT WildTrax - Canadian Wildlife Service - Northern Region	1,126	Level 5
309	Newfoundland Breeding Bird Atlas (2020-2024): species at risk data Newfoundland Breeding Bird Atlas - Birds Canada, Environment and Climate Change Canada, Memorial University of Newfoundland, Parks Canada, Department of Fisheries, Forestry and Agriculture, Newfoundland, Stewardship Association of Municipalities Inc., Eastern Habitat Joint Venture	1,119	Level 3
310	CWS-ON - Long Point Phragmites Management Project Bird Surveys - 2023 WildTrax - Canadian Wildlife Service - Ontario Region	1,106	Level 5
311	Canopy Gaps Bird Communities La Biche River Valley 1997 YT WildTrax - Canadian Wildlife Service - Northern Region	1,084	Level 5
312	Grasslands National Park Ecological Integrity Songbird Monitoring Program 2018 WildTrax - National Parks	1,076	Level 5
313	DMNH Birds Global Biodiversity Information Facility datasets	1,069	Level 5
314	CWS-Ontario Napken Lake Incidental Recordings - 2021 WildTrax - Canadian Wildlife Service - Ontario Region	1,037	Level 5
315	WADFW PSAMP W2003 Global Biodiversity Information Facility datasets	1,023	Level 5
316	Boreal Avian Modelling Project Re-visits 2019 WildTrax - Bioacoustic Unit	1,011	Level 5
317	Grasslands National Park Ecological Integrity Songbird Monitoring Program 2019 WildTrax - National Parks	1,003	Level 5
318	WADFW PSAMP W2004 Global Biodiversity Information Facility datasets	941	Level 5
319	GalliForm: Galliformes occurrence records from the Indo-Malay and Palaearctic, 1800-2008 Global Biodiversity Information Facility datasets	939	Level 5
320	Grizzly Bear Songbird Surrogacy Project 2017 WildTrax - Applied Conservation Ecology Lab - Nielsen	939	Level 5
321	Alaska Gas Pipeline Bird Surveys 2011 YT WildTrax - Canadian Wildlife Service - Northern Region	911	Level 5
322	PSM Vertebrates Collection Global Biodiversity Information Facility datasets	897	Level 5
323	KEMP Point Count Surveys 2001 to 2004 YT WildTrax - Canadian Wildlife Service - Northern Region	872	Level 5
324	AMNH Bird Collection Global Biodiversity Information Facility datasets	871	Level 5
325	Elk Island National Park Grassland Bird Surveys 2022 WildTrax - National Parks	870	Level 5
326	WADFW PSAMP W1996 Global Biodiversity Information Facility datasets	860	Level 5
327	CWS-ON St. Clair NWA Bird Surveys - 2024 WildTrax - Canadian Wildlife Service - Ontario Region	850	Level 5
328	WADFW PSAMP W1995 Global Biodiversity Information Facility datasets	832	Level 5
329	British Columbia Marsh Monitoring Program - Amphibian Surveys British Columbia Marsh Monitoring Program - Birds Canada, Environment and Climate Change Canada, WildResearch	830	Level 3
330	Breeding Bird Communities Liard Valley 1994 YT WildTrax - Canadian Wildlife Service - Northern Region	816	Level 5
331	CWS-Ontario Hudson's Bay coast 2021 WildTrax - Canadian Wildlife Service - Ontario Region	805	Level 5
332	CWS-Ontario Akimiski Island 2023 WildTrax - Canadian Wildlife Service - Ontario Region	793	Level 5
333	Operation Grassland 2015 WildTrax - Alberta Biodiversity Monitoring Institute	789	Level 5
334	Montréal Insectarium Trinational Monarch Knowledge Network - Insectarium de Montréal	761	Level 5
335	Elk Island National Park Grassland Bird Surveys 2020 WildTrax - National Parks	755	Level 5
336	Bell Museum birds Global Biodiversity Information Facility datasets	745	Level 5
337	Elk Island National Park Grassland Bird Surveys 2019 WildTrax - National Parks	739	Level 5
338	Jasper National Park 2017 WildTrax - Jasper National Park	738	Level 5
339	Pic FMU 2023 WildTrax - Venier Lab- Great Lakes Forestry Centre- Canadian Forest Service	730	Level 5
340	General-Community-WindFarms-2017 WildTrax - Bioacoustic Unit	729	Level 5
341	SUI Vertebrate Collection Global Biodiversity Information Facility datasets	688	Level 5
342	Northern Ontario Boreal Eskers Study 2014 WildTrax - Canadian Wildlife Service - Ontario Region	659	Level 5
343	Forest Bird Surveys Dawson Land Use Planning Region 2012 YT WildTrax - Canadian Wildlife Service - Northern Region	638	Level 5
344	CWS-ON - Protected Areas Wetland Monitoring Program & Long Point Phragmites Management Anuran Surveys - 2023 WildTrax - Canadian Wildlife Service - Ontario Region	637	Level 5
345	Post-disturbance Temporal Gradient 2018 WildTrax - Bioacoustic Unit	589	Level 5
346	CAS Ornithology (ORN) Global Biodiversity Information Facility datasets	579	Level 5
347	Ivvavik National Park 2019 WildTrax - National Parks	579	Level 5
348	British Columbia Marsh Monitoring Program - Habitat Surveys British Columbia Marsh Monitoring Program - Birds Canada, Environment and Climate Change Canada, WildResearch	568	Level 3
349	MMS Aerial Survey, PNW 1989-1990 Global Biodiversity Information Facility datasets	554	Level 5
350	UAM Bird Collection (Arctos) Global Biodiversity Information Facility datasets	542	Level 5
351	Elk Island National Park Grassland Bird Surveys 2021 WildTrax - National Parks	536	Level 5
352	WADFW PSAMP W1999 Global Biodiversity Information Facility datasets	533	Level 5
353	WADFW PSAMP W2000 Global Biodiversity Information Facility datasets	532	Level 5
354	Ducks Pilot 2017 WildTrax - Bioacoustic Unit	530	Level 5
355	Southern Yukon Wetland Birds Reconnaissance - 2003 YT WildTrax - Canadian Wildlife Service - Northern Region	528	Level 5
356	Whimbrel Tracking in the Americas (aggregated per 1-degree cell) Global Biodiversity Information Facility datasets	516	Level 5
357	Grande Prairie Manning Bird Surveys 2001 WildTrax - Canadian Wildlife Service - Prairie Region	503	Level 5
358	Ivvavik National Park 2018 WildTrax - National Parks	496	Level 5
359	Field Museum of Natural History (Zoology) Bird Egg Collection Global Biodiversity Information Facility datasets	491	Level 5
360	Base general de registros de mariposa monarca Trinational Monarch Knowledge Network	476	Level 5
361	University of Alberta Museum of Zoology Ornithology Collection (UAMZ) Global Biodiversity Information Facility datasets	475	Level 5
362	MVZ Egg and Nest Collection (Arctos) Global Biodiversity Information Facility datasets	460	Level 5
363	JV Paired Point Counts - CWS Pacific 2022 WildTrax - Canadian Wildlife Service - Pacific Region	456	Level 5
364	Naturalis Biodiversity Center (NL) - Aves Global Biodiversity Information Facility datasets	451	Level 5
365	Fort Liard Linear Feature Surveys 2008 WildTrax - Bioacoustic Unit	447	Level 5
366	WADFW PSAMP W2002 Global Biodiversity Information Facility datasets	445	Level 5
367	NYSM Birds Global Biodiversity Information Facility datasets	431	Level 5
368	Monarch Larva Monitoring Project Trinational Monarch Knowledge Network	425	Level 5
369	Nest records cards - Alaine Camfield Project NestWatch - Birds Canada	408	Level 3
370	TetraTech Borrow Pits 2018 WildTrax - TetraTech	372	Level 5
371	CWS-Ontario South Nation CA 2021 WildTrax - Canadian Wildlife Service - Ontario Region	367	Level 5
372	Station de Biologie des Laurentides de l'Université de Montréal - Collection Ornithologique Global Biodiversity Information Facility datasets	367	Level 5
373	WADFW PSAMP W1997 Global Biodiversity Information Facility datasets	358	Level 5
374	CMMN Daily Estimated Totals: Brier Island Bird Migration Research Station Canadian Migration Monitoring Network - Birds Canada, Brier Island Bird Migration Research Station	340	Level 2
375	CWS-Ontario Hudson Bay Coast - Incidental Sites - 2022-23 - Late Arrivals WildTrax - Canadian Wildlife Service - Ontario Region	340	Level 5
376	CHAS Ornithology (Arctos) Global Biodiversity Information Facility datasets	337	Level 5
377	WADFW PSAMP W1998 Global Biodiversity Information Facility datasets	332	Level 5
378	General-Community-CypressHillsProvincialPark-2021 WildTrax - Bioacoustic Unit	318	Level 5
379	Arctic Species Trend Index (ASTI) : Marine Global Biodiversity Information Facility datasets	315	Level 5
380	WADFW PSAMP S1995 Global Biodiversity Information Facility datasets	298	Level 5
381	Sperm morphology of 264 songbird species Global Biodiversity Information Facility datasets	296	Level 5
382	Queen Victoria Museum Art Gallery provider for OZCAM Global Biodiversity Information Facility datasets	290	Level 5
383	WADFW PSAMP W2001 Global Biodiversity Information Facility datasets	282	Level 5
384	SDNHM Birds Collection Global Biodiversity Information Facility datasets	269	Level 5
385	DMNS Bird Collection (Arctos) Global Biodiversity Information Facility datasets	268	Level 5
386	Atlantic Canada Bank Swallow Monitoring Atlantic Canada Bank Swallow Monitoring - Birds Canada	267	Level 3
387	LACM Vertebrate Collection Global Biodiversity Information Facility datasets	249	Level 5
388	Satellite telemetry of King Eiders from northern Alaska 2002-2009 Global Biodiversity Information Facility datasets	248	Level 5
389	RBINS DaRWIN Global Biodiversity Information Facility datasets	244	Level 5
390	Royal Belgian Institute of Natural Sciences Bird collection Global Biodiversity Information Facility datasets	244	Level 5
391	WADFW PSAMP S1996 Global Biodiversity Information Facility datasets	225	Level 5
392	Earth Guardians Weekly Feed Global Biodiversity Information Facility datasets	218	Level 5
393	DMNS Egg Collection (Arctos) Global Biodiversity Information Facility datasets	213	Level 5
394	WADFW PSAMP S1994 Global Biodiversity Information Facility datasets	207	Level 5
395	Breeding Bird Survey in Ivvavik National Park - 2004 YT WildTrax - Canadian Wildlife Service - Northern Region	203	Level 5
396	WADFW PSAMP S1997 Global Biodiversity Information Facility datasets	197	Level 5
397	WADFW PSAMP W1994 Global Biodiversity Information Facility datasets	192	Level 5
398	SBMNH Vertebrate Zoology Global Biodiversity Information Facility datasets	186	Level 5
399	Eggs Specimen Global Biodiversity Information Facility datasets	182	Level 5
400	Bay of Fundy Species List Global Biodiversity Information Facility datasets	177	Level 5
401	NHMD Ornithology Collection Global Biodiversity Information Facility datasets	164	Level 5
402	Elk Island National Park Grassland Bird Surveys 2018 WildTrax - National Parks	150	Level 5
403	NMNH Extant Specimen Records Global Biodiversity Information Facility datasets	149	Level 5
404	Museums Victoria provider for OZCAM Global Biodiversity Information Facility datasets	147	Level 5
405	WADFW PSAMP W1993 Global Biodiversity Information Facility datasets	146	Level 5
406	WADFW PSAMP S1998 Global Biodiversity Information Facility datasets	142	Level 5
407	(Table A1) Annual biomass of plants and animals recorded on Bylot Island between 1993-2009 Global Biodiversity Information Facility datasets	141	Level 5
408	UCLA Donald R. Dickey Bird and Mammal Collection Global Biodiversity Information Facility datasets	141	Level 5
409	ISU Birds Global Biodiversity Information Facility datasets	136	Level 5
410	CUMV Bird Collection Global Biodiversity Information Facility datasets	135	Level 5
411	Ville de Trois-Rivières - Bioblitz 2012 Global Biodiversity Information Facility datasets	134	Level 5
412	Ontario Breeding Bird Atlas - Marshbird Monitoring Protocol Digital Point Counts 2022 WildTrax - Canadian Wildlife Service - Ontario Region	133	Level 5
413	WADFW PSAMP S1992 Global Biodiversity Information Facility datasets	128	Level 5
414	Paleobiology Database Global Biodiversity Information Facility datasets	118	Level 5
415	WADFW PSAMP S1993 Global Biodiversity Information Facility datasets	113	Level 5
416	CMNH Birds Collection Global Biodiversity Information Facility datasets	111	Level 5
417	Stellwagen Shearwater Tagging 2018 (aggregated per 1-degree cell) Global Biodiversity Information Facility datasets	111	Level 5
418	Queensland Museum provider for OZCAM Global Biodiversity Information Facility datasets	103	Level 5
419	Roadkill Global Biodiversity Information Facility datasets	103	Level 5
420	TOPP Summary of SSM-derived Telemetry Global Biodiversity Information Facility datasets	99	Level 5
421	MSB Bird Collection (Arctos) Global Biodiversity Information Facility datasets	91	Level 5
422	University of Montana Zoological Museum (UMZM) Bird Specimens (Arctos) Global Biodiversity Information Facility datasets	89	Level 5
423	WADFW PSAMP S1999 Global Biodiversity Information Facility datasets	89	Level 5
424	Inventory and BioBlitz Records from rare Charitable Research Reserve Global Biodiversity Information Facility datasets	87	Level 5
425	Collection ornithologique A. Maës Global Biodiversity Information Facility datasets	78	Level 5
426	Animal Sound Archive Global Biodiversity Information Facility datasets	71	Level 5
427	Inventory Assessment Black Terns Blind Lake 2003 YT WildTrax - Canadian Wildlife Service - Northern Region	66	Level 5
428	UCM Bird Collection (Arctos) Global Biodiversity Information Facility datasets	64	Level 5
429	UMNH Birds Collection (Arctos) Global Biodiversity Information Facility datasets	61	Level 5
430	Birds Specimens Global Biodiversity Information Facility datasets	60	Level 5
431	Circumpolar Seabird Monitoring Plan Global Biodiversity Information Facility datasets	50	Level 5
432	CHAS Oology Collection (Arctos) Global Biodiversity Information Facility datasets	49	Level 5
433	MSB Host Collection (Arctos) Global Biodiversity Information Facility datasets	49	Level 5
434	UAZ Bird Collection Global Biodiversity Information Facility datasets	47	Level 5
435	UTEP Birds (Arctos) Global Biodiversity Information Facility datasets	46	Level 5
436	Bird collection NTNU University Museum Global Biodiversity Information Facility datasets	44	Level 5
437	Integrated Monarch Monitoring Project Trinational Monarch Knowledge Network	43	Level 5
438	Biodiversity Research and Teaching Collections - TCWC Vertebrates Global Biodiversity Information Facility datasets	42	Level 5
439	ANM Zoological vertebrate collection Global Biodiversity Information Facility datasets	40	Level 5
440	The birds collection (ZO) of the Muséum national d'Histoire Naturelle (MNHN - Paris) Global Biodiversity Information Facility datasets	38	Level 5
441	Migration and foraging ecology of Greater Shearwater (aggregated per 1-degree cell) Global Biodiversity Information Facility datasets	37	Level 5
442	Greater Shearwaters in the Gulf of Maine (aggregated per 1-degree cell) Global Biodiversity Information Facility datasets	32	Level 5
443	MVZ Bird Observations (Arctos) Global Biodiversity Information Facility datasets	32	Level 5
444	Ohio State University Tetrapod Division - Bird Collection (OSUM) Global Biodiversity Information Facility datasets	32	Level 5
445	Skagit Valley / Wrangel Island Snow Goose (aggregated per 1-degree cell) Global Biodiversity Information Facility datasets	32	Level 5
446	Ontario Breeding Bird Atlas (2001-2005): point count data for species at risk Ontario Breeding Bird Atlas - Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, Ontario Nature	31	Level 3
447	University of Nebraska State Museum Birds Collection Global Biodiversity Information Facility datasets	31	Level 5
448	Naturalista Trinational Monarch Knowledge Network	30	Level 5
449	Natural History Museum Rotterdam - Specimens Global Biodiversity Information Facility datasets	29	Level 5
450	NPPSD Short-tailed Albatross Sightings Global Biodiversity Information Facility datasets	28	Level 5
451	Tern Island Albatrosses - 1999 Global Biodiversity Information Facility datasets	28	Level 5
452	HSU Wildlife Eggs and Nests Global Biodiversity Information Facility datasets	27	Level 5
453	South Australian Museum Adelaide provider for OZCAM Global Biodiversity Information Facility datasets	27	Level 5
454	CM Birds Collection Global Biodiversity Information Facility datasets	26	Level 5
455	Jurica-Suchy Nature Museum at Benedictine University Egg Specimens (Arctos) Global Biodiversity Information Facility datasets	26	Level 5
456	BoBO - Botanic Garden and Botanical Museum Berlin Observations Global Biodiversity Information Facility datasets	25	Level 5
457	MLZ Bird Collection (Arctos) Global Biodiversity Information Facility datasets	25	Level 5
458	(Table 1) Stage of the lemming cycle and nesting parameters of the greater snow geese between 1996-2005, Bylot Island Global Biodiversity Information Facility datasets	24	Level 5
459	Integrated Monarch Monitoring Project Trinational Monarch Knowledge Network	24	Level 5
460	Angelo State Natural History Collections (ASNHC) Bird specimens (Arctos) Global Biodiversity Information Facility datasets	23	Level 5
461	UCM Bird Eggs/Nests Collection (Arctos) Global Biodiversity Information Facility datasets	23	Level 5
462	Anymals+plants - Citizen Science Data Global Biodiversity Information Facility datasets	19	Level 5
463	Australian National Wildlife Collection provider for OZCAM Global Biodiversity Information Facility datasets	19	Level 5
464	Integrated Monarch Monitoring Project Trinational Monarch Knowledge Network	19	Level 5
465	Tracking of Arctic tern migrations 2007-2008 Global Biodiversity Information Facility datasets	19	Level 5
466	Collection Ornithologie - SNSD Global Biodiversity Information Facility datasets	18	Level 5
467	Gaia Guide Global Biodiversity Information Facility datasets	18	Level 5
468	WNMU Bird Collection (Arctos) Global Biodiversity Information Facility datasets	16	Level 5
469	Aves (Luomus) Global Biodiversity Information Facility datasets	14	Level 5
470	Birds (coll. Bonnetain) Global Biodiversity Information Facility datasets	14	Level 5
471	Pacific Multispecies Small Mesh Bottom Trawl Survey Global Biodiversity Information Facility datasets	14	Level 5
472	Maritimes Breeding Bird Atlas (2006-2010): point count data for species at risk Maritimes Breeding Bird Atlas - Birds Canada, New Brunswick Department of Natural Resources, Prince Edward Island Department of Natural Resources, Nova Scotia Department of Natural Resources, Canadian Wildlife Service, Nature NB, Nova Scotia Bird Society, Natural History Society of Prince Edward Island	13	Level 3
473	UF Florida Museum of Natural History Ornithology Global Biodiversity Information Facility datasets	12	Level 5
474	University of Wyoming Museum of Vertebrates (UWYMV) Bird Collection (Arctos) Global Biodiversity Information Facility datasets	12	Level 5
475	Harold W. Manter Laboratory of Parasitology Collection (HWML) Parasite Collection (Arctos) Global Biodiversity Information Facility datasets	11	Level 5
476	Western Australian Museum provider for OZCAM Global Biodiversity Information Facility datasets	11	Level 5
477	COA Bird Collection (Arctos) Global Biodiversity Information Facility datasets	10	Level 5
478	NMU Bird Collection (Arctos) Global Biodiversity Information Facility datasets	9	Level 5
479	Biologiezentrum Linz Global Biodiversity Information Facility datasets	7	Level 5
480	California State University, Long Beach Bird specimens (Arctos) Global Biodiversity Information Facility datasets	7	Level 5
481	MZFC/Coleccion de Aves Global Biodiversity Information Facility datasets	7	Level 5
482	(Table 1) Nesting characteristics of greater snow geese (Chen caerulescens atlanticus) on Bylot Island between 1995-2005 Global Biodiversity Information Facility datasets	6	Level 5
483	HSU Wildlife Birds Global Biodiversity Information Facility datasets	6	Level 5
484	Tern Island Albatrosses - 1998 Global Biodiversity Information Facility datasets	6	Level 5
485	Biodiversity4all Research-Grade Observations Global Biodiversity Information Facility datasets	5	Level 5
486	Gulf of Maine Razorbill Tracking (aggregated per 1-degree cell) Global Biodiversity Information Facility datasets	5	Level 5
487	Ornithologie Federsammlung - SNSD Global Biodiversity Information Facility datasets	5	Level 5
488	Protocolo Monitoreo Monarca Mexico Trinational Monarch Knowledge Network	5	Level 5
489	(Table 1) Density of seabirds (Fulmarus glacialis, Rissa tridactyla, Larus hyperboreus, Sterna paradisaea, and Stercorarius para Global Biodiversity Information Facility datasets	4	Level 5
490	Palaeobiology - Vertebrate Fossils Collection - Non Mammalia - Royal Ontario Museum Global Biodiversity Information Facility datasets	4	Level 5
491	Collection Aves (bird skins) SMF Global Biodiversity Information Facility datasets	3	Level 5
492	IPHC Opportunistic Albatross Obs 1998-2002 Global Biodiversity Information Facility datasets	3	Level 5
493	Kenneth S. Norris Center for Natural History, University of California, Santa Cruz (UCSC) Bird specimens (Arctos) Global Biodiversity Information Facility datasets	3	Level 5
494	SAFRING: Historical Bird Ringing Records (2005-2009) Global Biodiversity Information Facility datasets	3	Level 5
495	MSB Parasite Collection (Arctos) Global Biodiversity Information Facility datasets	2	Level 5
496	Nest Specimen Global Biodiversity Information Facility datasets	2	Level 5
497	Arizona State University Ornithology Collection Global Biodiversity Information Facility datasets	1	Level 5
498	CAS Ornithology Egg & Nest (EGG) Global Biodiversity Information Facility datasets	1	Level 5
499	Canadian Museum of Nature Herbarium Global Biodiversity Information Facility datasets	1	Level 5
500	Coleção de Aves do Museu Nacional / UFRJ Global Biodiversity Information Facility datasets	1	Level 5
501	DFO Pacific Groundfish Synoptic Trawl Surveys - Queen Charlotte Sound Global Biodiversity Information Facility datasets	1	Level 5
502	Hatikka.fi observations Global Biodiversity Information Facility datasets	1	Level 5
503	Lund Museum of Zoology (MZLU) Global Biodiversity Information Facility datasets	1	Level 5
504	MSB Mammal Collection (Arctos) Global Biodiversity Information Facility datasets	1	Level 5
505	Maritimes Summer Research Vessel Surveys Global Biodiversity Information Facility datasets	1	Level 5
506	Ocean Salmon Program - Barkley Sound Juvenile Salmon Study from 1987 to 1994 Global Biodiversity Information Facility datasets	1	Level 5
507	Ohio Wesleyan University Bird Specimens (Arctos) Global Biodiversity Information Facility datasets	1	Level 5
508	Palaeobiology - Vertebrate Comparative Osteology Collection - Royal Ontario Museum Global Biodiversity Information Facility datasets	1	Level 5
509	Recoveries of birds ringed by Revtangen Bird Observatory (Southwest Norway), 1936-2018 Global Biodiversity Information Facility datasets	1	Level 5
510	Ringing and recovery database of birds (TIPU) Global Biodiversity Information Facility datasets	1	Level 5