- male, deceased (1861)
- Isidore Geoffroy Saint-Hilaire was a French zoologist and an authority on deviation from normal structure. He coined the term ethology. He was born...
- male, deceased (1912)
- Allan Octavian Hume (June 6, 1829 - July 31, 1912) son of Joseph Hume was a civil servant in British governed India, and a political reformer. He...
- male, deceased (1906)
- Sir Walter Lawry Buller (October 9, 1838 - July 19, 1906) was a New Zealand lawyer, naturalist and ornithologist. He was the son of man that helped...
- male, deceased (1950)
- Rollo Howard Beck (26 August 1870 - 22 November 1950) was an American ornithologist, bird collector and explorer. In 1920 Beck and his wife Ida set...
- male, deceased (1851)
- John Kirk Townsend (October 10, 1809 - February 6, 1851) was an American naturalist, ornithologist and collector. Townsend was born in Philadelphia...
- male, deceased (1993)
- Theodore A. "Ted" Parker III was an American ornithologist who specialized in the Neotropics. He "was widely considered the finest field birder /...
- male, deceased (1998)
- Charles Gald Sibley was an American ornithologist and molecular biologist. He had an immense influence on the scientific classification of birds,...
- male
- Helmut Sick (10 January, 1910 - 5 March, 1991), was a German-Brazilian ornithologist. Probably, the most important ornithologist in Brazil, he...
- male, deceased (1989)
- Horace Gundry Alexander was an English Quaker teacher and writer, pacifist and ornithologist. He was the youngest of four sons of Joseph Gundry...
- male
- Allan Cyril Brooks (February 15, 1869 Etawah - January 3, 1946) was an ornithologist and bird artist who lived in Canada. He went to school in...
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