The Macaulay Library at Cornell University has the largest collection of animal sounds in the world. More than 67 percent of the world’s birds are represented in the center’s 160,000 recordings, along with sounds made by insects, fish, frogs, and mammals. The Library also archives and preserves a sampling of the behaviors of different animal species using digital video and audio. Download the songs of various backyard birds, from chickadees to goldfinches, at the following Web page.
Go to: http://www.birds.cornell.edu/MacaulayLibrary/search/freesounds.html