American ornithologists

American physician and naturalist (1820–1867)

American ornithologist (1850-1930)

American ornithologist (1904-2004)

American ornithologist (1882–1958)

ornithologist (1858–1929)

American Ornithologist (1880–1953)

American ornithologist (1900-1987)

American engineer and ornithologist (1878–1936)

American ornithologist (1873-1941)

American zoologist (1865-1948)

American scientist (1850-1934)

American birder (1931–1999)

American ornithologist

American paleornithologist

U.S. ornithologist (1852–1910)

American naturalist (1814-1880)

American ornithologist (1892-1949)

American ichthyologist and ornithologist (1883-1958)

American ornithologist, author and businessman (1927-2005)

American ornithologist, naturalist, illustrator and abolitionist (1821–1912)

American paleornithologist

ornithologist (1906-1968)

American explorer, ornithologist and bird collector (1870–1950)

Swiss-Italian American ornithologist and art collector (1901-1984)

American medical doctor, explorer, ornithologist and field naturalist (1860-1936)

American ornithologist (1930-1994)

American ornithologist (1931–2021)

American ornithologist

American ornithologist and natural history writer (1866-1954)

American ornithologist

American paleontologist and paleornithologist

American ornithologist and entomologist (1879–1965)

American botanist and ornithologist (1859-1925)

American ornithologist (1909–1962)

U.S. paleontologist (1943–2013)

American ornithologist and natural history writer (1918–2017)

U.S. ornithologist (1866-1935)

American football, basketball, rugby union footballer, American football, basketball, and baseball coach (1899-1970)

American ornithologist of Hungarian descent (1919–1998)

American zoologist (1823-1849)

American ornithologist

American ornithologist and museum curator

American zoologist and museum collector (1895-1989)

American ornithologist and artist (1819-1869)

geneticist and ornithologist (1877–1948)

US soldier and ornithologist (1836–1897)

American ornithologist, entomologist and naturalist (1807-1865)

American ornithologist, artist and educator (1853–1943)

American ornithologist and writer (1894-1978)

U.S. ornithologist and artist

American farmer and amateur naturalist

American zoologist (1876-1938)

American ornithologist (1953–1993)

American ornithologist, museum curator and photographer (1912–1965)

American amateur naturalist and ornithologist

American ornithologist (1922–2007)

American zoologist

American ornithologist, zoologist, botanist and museum curator (1875-1942)

U.S. ornithologist (1906–1965)

American zoologist (1897–1962)