The American Ornithologist Society (AOS)
With the merger of the American Ornithologists’ Union (AOU) and the Cooper Ornithological Society (COS), the American Ornithological Society was formed. From their website at americanornithology.org: The American Ornithologists’ Union (AOU) was founded in 1883 out of concern for bird conservation and interest in developing the field of ornithology in North America. Early AOU efforts led to […]