Cornell Lab of Ornithology Learn more about the world of birds. Peterson's Online Peterson's is the maker of a series of field guides. This is their website where you can learn about some of the animals their books describe including birds. The mission of the National Audubon Society is to conserve and restore natural ecosystems, focusing on birds and other wildlife for the benefit of humanity and the earth's biological diversity and this is their website. Predators Domestic Cats Learn about how domestic cats threaten wild birds.
Raccoons Learn about raccoons.