The Atlas of Wintering North American Birds represents the effects of thousands of people who have participated in the Christmas Bird Counts, an annual event sp

Provides illustrations helpful for identification of hundreds of birds native to the Eastern region of North America.

Take a peek inside the beautiful and absorbing world of birds with this lavishly illustrated children’s bird atlas. From the Amazon Rainforest to the Rocky Mo

Written by fourteen of the world's outstanding authorities on ornithology, illustrated with more than 500 original portraits, 270 line drawings, and 167 maps an

The North American Breeding Bird Survey comprises a network of regularly censussed, road-based survey routes and constitutes the most comprehensive set of data