Birds that brave the Canadian Winter
Birds in Niagara region, Winter, Ontario, Canada
BBC Radio 4 - In Our Time - Fabulous flights: 13 amazing facts
5 birds that love Canadian winters, Articles
Storm Delivers Gift to U.K. and Irish Bird-Watchers: North
Nature Conservancy of Canada / Conservation de la nature Canada
Is it unusual to see American Robins in the middle of winter
5 birds that love Canadian winters, Articles
How do birds keep warm in the winter?