John Cassin (September 6, 1813 – January 10, 1869) was an American ornithologist from Pennsylvania. He worked as curator and vice president at the Philadelphia...

Jack Cassin (born 1915), Australian rules footballer John Cassin (footballer) (born 1951), Australian rules footballer, son of Jack John Cassin (1813–1869)...

Endangered Species Act due to Extinction". Retrieved October 16, 2023. Cassin, John (1855). "Notices of some new and little known Birds in the collection...

the American ornithologist John Cassin. Cassin's kingbird was formally described in 1826 by English naturalist William John Swainson under the current...

Commodore John Cassin (July 16, 1760 – March 24, 1822) was a United States Navy officer, who led the vital defense of Gosport Navy Yard during the War...

subspecies of the barred parakeet: Bolborhynchus lineola (Cassin 1853) Bolborhynchus l. lineola (Cassin 1853) Bolborhynchus lineola tigrinus (Souance 1856) –...

the War of 1812. Born in Philadelphia, the son of naval officer John Cassin, Cassin entered the United States Navy as a midshipman in 1800. He was promoted...

the better known auks. It is named for the American ornithologist John Cassin. Cassin's auklet is a small (25 cm, 200 g) nondescript auk. Its plumage is...

Cassin's vireo (Vireo cassinii) is a small North American songbird, ranging from southern British Columbia in Canada through the western coastal states...

"horned wavey", was given by explorer Samuel Hearne eighty years before John Cassin named it after Ross. Ross's goose have a rounded head above a short neck...