Official list of the birds of Ontario, as maintained by the Ontario Field Ornithologists

Birds - Photo (c) Kenny P., some rights reserved (CC BY-NC) Check list for Birds (Class Aves)
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Source: Ontario Field Ornithologists: 2017 Checklist of Ontario Birds. 2017. Print. 17 pages. (Link)
mikeburrell Added by mikeburrell on March 31, 2017