Walter Joseph Bock (November 20, 1933 – January 27, 2022) was an American evolutionary biologist and ornithologist.
Bock was a professor of evolutionary biology at Columbia University from 1973 until his retirement.
During his high school days he volunteered at the American Museum of Natural History where he was influenced by Dean Amadon.
His lab which produced eleven doctoral students worked mainly on evolution and morphology.
[4][5] Bock received the Elliott Coues Award of the American Ornithologists' Union in 1975.