Birds of the World

From Cornell Lab of Ornithology, Birds of the World is a reference and research database featuring comprehensive life histories of more than 10,800 bird species and deep overviews of all 249 bird families. Includes scholarly content from four celebrated works of ornithology and ongoing updates by leading ornithologists, and is integrated with millions of bird records from eBird and media resources from the Macaulay Library. Birds of the World provides insight into the biology of  the world’s birdlife.