The American Ornithologists' Union and Cooper Ornithological Society

A  gateway to information about the AOU and COS and resources for the scientific study and conservation of birds. Become a member, get involved!

Photo of Baltimore Oriole - (c) Lloyd Spitalnik

Want a Career in Ornithology?

Are you Interested in birds? Do you want to contribute to bird conservation? Join the American Ornithologists' Union and Cooper Ornithological Society! Find jobs and funding opportunities.

Photo of Tufted Titmouse - (c) Lloyd Spitalnik

Access Scientific Resources

Want easy access to resources for the study and conservation of birds? Get current information on bird taxonomy, biodiversity, populations, sounds, and references.

Photo of the Green Honeycreeper - (c) Morgan Tingley

Teaching or Studying Ornithology?

Attend meetings of the American Ornithologists' Union and Cooper Ornithological Society to get up-to-date scientific information about birds. Access educational and photographic resources on birds.

Photo of the Common Nighthawk - (c) Shawn Billerman

Contribute to Citizen Science

Participate in bird surveys and submit your bird observations. Join the American Ornithologists' Union and Cooper Ornithological Society, and/or donate to support their many activities.

Photo of Canadian Goose chick - (c) Paul Marto

AOU and COS Annual Meeting

This year’s annual meeting of the American Ornithologists’ Union and the Cooper Ornithological Society takes place from July 28 to August 2, 2015 at the University of Oklahoma in Norman.

Pen and ink image of covered wagon with Condor and Auk perched on either end.

A gateway to ornithological societies and resources that promote the understanding, appreciation, and conservation of bird species and their populations

© 2015 American Ornithologists' Union
and Cooper Ornithological Society