Birds of the World This link opens in a new windowFrom the Cornell Lab of Ornithology, Birds of the World World features over 10,000 species accounts. This platform integrates several in-depth, scholarly publications with millions of data points from eBird and rich media resources from the Macaulay Library. This enhanced integration provides rigorous insight into the distribution and abundance of birds and authentically illustrates variability in plumages and behavior. And, for the first time, you will be able to explore an illustrated index of every bird species within all 249 bird families, with global distribution maps, which will nurture a deep comprehension of the diversity of the world's birds.