Ontario Breeding Bird Atlas (1981-1985): highest breeding evidence per square

Birds Canada
https://www.birdscanada.org

Ontario Ministry of Natural Resources and Forestry
http://www.mnr.gov.on.ca/

Canadian Wildlife Service

Ontario Field Ornithologists
http://www.ofo.ca/

Ontario Nature
https://www.ontarionature.org/

Project name: Ontario Breeding Bird Atlas

Goals : The first Ontario Breeding Bird Atlas was carried out from 1981-1985, and involved the efforts of over 1,300 volunteers who collectively carried out more than 120,000 hours of field work. This resulted in a data base of over 400,000 bird-locality records, giving unprecedented information on the breeding distribution of birds in Ontario.

Dataset summary : Ontario Breeding Bird Atlas (1981-1985): highest breeding evidence per species and square

Year started : 1981

Year finished : 1985

Geographic area covered : Ontario

Primary species covered : All breeding bird species