Description: (US Naturalist, Ornithologist, and Zoologist Who Mostly Studied North American Birds and Mammals)
American naturalist, ornithologist, and vertebrate zoologist Spencer Fullerton Baird was an expert on North American birds and mammals. Initially a professor of natural history, he was later associated with the Smithsonian Institution as a curator and assistant secretary. He was also instrumental in the establishment of the US Commission of Fish and Fisheries.