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.
Classic Collection of North American Birds, or CCNAB, is an all purpose bird
website with information and images on over 1000 bird species, targeting mostly
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
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...
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 ...
This site contains photographs of dozens of North American bird species by Peter
Click here to download the complete e-book, The Top 25 Garden Feeder Birds in
North America [PDF]. The Crossley ID Guide Sampler contains the following ...
Birds of North America Life Histories for the 21st Century: The American
Ornithologists' Union, in partnership with the Academy of Natural Sciences of ...
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 ...