Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, hummingbirds hover at flowers, penguins slice through cold seas, and eagles ...

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

ELEC copy purchased with funds from the S. Dillon Ripley Endowment. Birds catch the public imagination like no other group of animals; in addition, birders are perhaps the largest non-professional ...

Few subjects in evolutionary theory have posed such intriguing puzzles for so long as the origin of birds. Evidence of avian beginnings has been elusive in the fossil record because birds' light, ...

Includes gatefold at back endpages, with illustrations and maps. The Cornell Lab of Ornithology's location taken from its website. BIRD copy has bookplate: Smithsonian Institution Libraries, Nada ...

(CNN) — Dark-eyed junco songbirds have been serenading the University of California, Los Angeles campus for decades as they forage for food. The species from the sparrow family is not usually found in ...