Attention: The library has migrated from our old catalog, Blais, to our new one!
To learn more about the Library Search, visit our guide.

Thank you for your patience while we make changes to our homepage and searching functionalities over the next few weeks. We apologize for any confusion while we are under construction.

Database details

You are leaving the Libraries Birds of North America Online
  • Provides detailed life history information for the 716 species of birds nesting in the USA and Canada.
  • The print version of BNA (18 volumes in 18,000 pages) was completed in 2002, a joint 10 year project of the American Ornithologists' Union, the Cornell Lab of Ornithology, and the Academy of Natural Sciences.
  • Online contents will be updated frequently, with contributions from researchers, citizen scientists, and designated reviewers and editors.
  • Will build image and video galleries showing behaviors, habitat, nests, eggs and nestlings, and more.
  • Each online species account will contain recordings of that bird's songs and calls, selected from the extensive collection in Cornell's Macaulay Library of Natural Sounds.

Need assistance? Contact the Web Administrator.

Last updated: 3/7/2013 3:39:35 PM