North American birds most closely resemble those of Eurasia, which was
connected to the continent as part of the supercontinent Laurasia until around 60
A reference series on North American birds, with information and sample profiles.
All bird guide text and rangemaps adapted from Lives of North American Birds by
... Photography sourced in part from VIREO, the worldwide bird photography ...
The Birds of North America (BNA) is a rich series of species accounts with
extensive information about birds that occur regularly in Canada and the United
eBird & Birds of North America Online. 5 January 2016. BAGO1. In appreciation
for all those who have participated in eBird, we are pleased to offer special ...
Feb 18, 2016 ... Birding has never been easier or more fun! Quickly identify birds you see in your
backyard with Roger Tory Peterson's innovative identification ...
Use our Bird Guide to identify birds, learn about the life history, listen to the ... bird
behavior on video--the most comprehensive guide to North American birds.
Birds of North America: Perhaps our most ambitious taxonomical undertaking yet,
this is your field guide to the birds of North America! The product of...
The best field guide for the season. Nothing beats Audubon mobile field guides.
With more than 2 million downloads, they are the most trusted authoritative field ...
This site contains photographs of dozens of North American bird species by Peter