20th-century British zoologists

British marine biologist (1882–1943)

British gardener (1880-1981)

British anthropologist and anatomist (1901-1975)

British arachnologist

British public servant, zoologist and operational research pioneer (1904-1993)

Welsh zoologist and parasitologist (1906-1994)

British zoologist (1888-1945)

British entomologist (1876–1956)

British polymath (1911–1976)

British zoologist, Vice-Chancellor of the University of Oxford (1931–2005)

British ornithologist (1888-1953)

British entomologist (1850-1939)

Irish zoologist (1871-1914)

British ethnologist (1902–1986)

English marine biologist

British zoologist (1908–1991)

British entomologist (1912–1977)

British biologist (1908-1989)

British entomologist (1929–2008)

American ornithologist (1953–1993)

British zoologist

British entomologist and botanical collector (1881-1969)

British zoologist (1928–1997)

British zoologist and biophysicist

British zoologist

British zoologist

British scientist

zoologist (1891-1975)

British arachnologist (1883-1930)

British entomologist (1888-1940)

American primatologist (1951-2007)

Zoologist, evolutionary biologist

British geneticist

British medical doctor, malariologist and soldier (1884-1956)

British biologist

British diplomat and entomologist

Scottish ornithologist

British zoologist (1898-1961)

Scottish ornithologist (1890–1977)

British geneticist, lepidopterist and medical doctor (1907-1979)

British ethologist

British forester and ornithologist (1912–1999)

British scientist

British paleontologist (1912-2015)

British psychologist

British ornithologist

British conchologist

botanist, ornithologist, and conservationist on the Channel Island of Jersey (1919-1995)

researcher

British ornithologist and writer (1912–1970)

British zoologist (1901-1986)

British entomologist (1911-1995)

British ornithologist and colonial official (1882–1964)

British zoologist (1903–1974)

Scottish-Australian ornithologist and writer

British biologist (1884–1963)

British herpetologist

New Zealand zoologist (1907–1997)

British marine biologist

businessman, ornithologist and oologist (1881–1955)