Dataset

Ontario Breeding Bird Atlas (1981-1985): raw breeding evidence

About

Dataset summary

Ontario Breeding Bird Atlas (1981-1985): breeding evidence as reported by participants and effort information from individual visits

Primary species covered

All breeding bird species

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.

Partners

Ontario Ministry of Natural Resources and Forestry
Canadian Wildlife Service

Citation

Birds Canada, Ontario Ministry of Natural Resources and Forestry, Canadian Wildlife Service, Ontario Field Ornithologists, and Ontario Nature. 2025. "Ontario Breeding Bird Atlas (1981-1985): raw breeding evidence". Data accessed from NatureCounts, Birds Canada. 10.71842/egh1-yg50