Official list of the birds of Ontario, as maintained by the Ontario Field Ornithologists http://ofo.ca/site/page/view/checklist.checklist

Aves - Photo (c) Greg Lasley, alguns direitos reservados (CC BY-NC), uploaded by Greg Lasley Check list for Aves (Classe Aves)
Fonte: Ontario Field Ornithologists: 2017 Checklist of Ontario Birds. 2017. Print. 17 pages. (Ligação)
mikeburrell Adicionado(s) por mikeburrell em March 31, 2017