The Piping Plover is named for its soft "piping" calls, which it uses for communicating and for attracting mates during the breeding season. It is a lover of sandy habitats, both beaches in the east and prairies in the west, and this preference often brings it into conflict with human activity.
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Piping Plover
There are two subspecies of Piping Plover in Canada, and three recognized subpopulations. Approximately 25% of Canada's Piping Plovers are in the Atlantic population (melodus subspecies), breeding along the Atlantic coast from southern Newfoundland through the Maritimes. The circumcinctus subspecies breeds inland, with the Prairie population accounting for over two-thirds of Canada's Piping Plovers, and a much smaller number in the Great Lakes population. The combined Canadian total of approximately 1300 individuals represents 16% of the global total and a low level of responsibility for Canada.
Dedicated censuses for Piping Plovers have documented variable counts since the surveys started in 1991, but generally showing declines, with all-time lows for the circumcinctus subspecies in 2016 and for the melodus subspecies in 2020, despite significant recovery efforts in the Great Lakes and Atlantic regions in particular. The Committee on the Status of Endangered Wildlife in Canada first designated the two subspecies as Endangered in 2001 (COSEWIC, 2013) and both have been listed at that level under the Species at Risk Act since 2003. Both Canadian subspecies of Piping Plover are below their goal ranges.
Both subspecies of Piping Plover are monitored in Canada through dedicated surveys initiated in 1991. Results from these surveys suggest that the number of birds in the Prairies has varied considerably, primarily in relation to prairie flood and drought regimes. The most recent census showed the lowest count since these surveys began, but extensive flooding of breeding habitat in that year may have biased these results. The smaller Atlantic population (melodus subspecies) has also shown a decrease since 1991, although it has rebounded slightly since reaching an all-time low in 2020.
Results from migration monitoring by the Program for Regional and International Shorebird Monitoring also show a moderate decrease in the continental population, but it is unknown how much that trend reflects the Canadian population, given that the majority of individuals breed in the United States. Considering the available data, both subspecies and the overall national population are likely to have experienced at least a moderate decrease relative to the 1970s, but confidence is only medium because of limitations to the frequency and historical extent of survey coverage.
The national goal for Piping Plover is to maintain a population of at least 2,246 individuals. This is based on the Species at Risk Act Recovery Strategy goals of 1,626 individuals for the circumcinctus subspecies (Environment Canada, 2006) and 620 individuals for the melodus subspecies (ECCC, 2022). Available data show that all Canadian populations of Piping Plover are currently below their goals.
| Designation | Geographic Area | Status | CITATION | Subpopulation |
|---|---|---|---|---|
| COSEWIC | Canada | Endangered | Piping Plover circumcinctus subspecies | |
| COSEWIC | Canada | Endangered | Piping Plover melodus subspecies | |
| IUCN | Global | Near Threatened | ||
| Species At Risk Act | Canada | Endangered | Piping Plover circumcinctus subspecies | |
| Species At Risk Act | Canada | Endangered | Piping Plover melodus subspecies | |
| Partners in Flight | Western Hemisphere | Orange Watch List | ||
| Wild Species | Canada | Imperiled |
- COSEWIC. 2013. COSEWIC Assessment and Status Report on the Piping Plover circumcinctus subspecies (Charadrius melodus circumcinctus) and the melodus subspecies (Charadrius melodus melodus) in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. xiv + 39 pp. https://wildlife-species.canada.ca/species-risk-registry/document/default_e.cfm?documentID=882.
- Environment Canada. 2006a. Recovery Strategy for the Piping Plover (Charadrius melodus circumcinctus) in Canada. Species at Risk Act Recovery Strategy Series. Environment Canada, Ottawa. vi + 30 pp. https://wildlife-species.canada.ca/species-risk-registry/document/default_e.cfm?documentID=921.
- Environment and Climate Change Canada (ECCC). 2022h. Recovery Strategy (Amended) and Action Plan for the Piping Plover melodus subspecies (Charadrius melodus melodus) in Canada. Species at Risk Act Recovery Strategy Series. Environment and Climate Change Canada, Ottawa. viii + 124 pp. https://wildlife-species.az.ec.gc.ca/species-risk-registry/virtual_sara/files//plans/amended_rs_and_ap_piping_plover_melodus_e_final1.pdf.
The Piping Plover is named for its soft "piping" calls, which it uses for communicating and for attracting mates during the breeding season. It is a lover of sandy habitats, both beaches in the east and prairies in the west, and this preference often brings it into conflict with human activity.
Piping Plover is primarily reported between April and September in Canada with some observations in October and November, as it migrates south in the nonbreeding season.
Nesting period starts between early May and late May and ends in late July, depending on the region. Before or after this period, the probability of an active nest is lower.