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EXTINCT OR PRESUMED EXTINCT WILDLIFE <br />EXTINCT FISHES <br />San Gorgonio Trout, Salmo evermanni. Santa Ana River in California. Extinct about 1935. <br />Pahranagat Spinedace, •Lepidomeda altivelis. Outflow of Ash Spring and chain of lakes in <br />the Pahranagat Valley in Nevada. Extinct between 1938 and 1959. <br />Big Spring Spinedace, Lepidomeda mollispinis pratensis. Spring-fed marsh, Lincoln <br />County, Nevada. Extinct between 1938 and 1959. <br />Harelip Sucker, Lagochila lacera. Found in a few clear streams of the upper Mississippi <br />Valley; Scioto River in Ohio, Tennessee River in Georgia, and the White River in <br />Arkansas; also in the Lake Erie drainage, Blanchard and Auglaize Rivers in north- <br />western Ohio . Not seen since 1900 . <br />Leon Springs Pupfish, Cyprinodon bovinus . Leon Springs , Pecos County, Texas . Not <br />seen since 1938. <br />Ash Meadows Springfish, Empetrichthys merriami. Isolated waters of Death Valley in <br />southern Nevada . Not seen since 1942 . <br />EXTINCT BIRDS <br />Labrador Duck, Camptorhynchus labradorium. Northeastern North America. Extinct <br />about 1875. Reason unknown . <br />Heath Hen, Tympanuchus cupido cupido. Eastern United States. Extinct in 1932. <br />Reasons--overhunting and loss of habitat. <br />Laysan Rail, Porzanula a~ lmeri. Laysan Island, Hawaii. Extinct on Laysan Island in <br />1926. Extinct in 1944 on Eastern Island, Midway Atoll where transplanted previously <br />from Laysan. Reasons--loss of habitat (rabbits eating vegetation): predation by rats <br />on Midway . <br />Sandwich Rail (Moho) , Pennula sandwichensis . Hawaii Island, Hawaii . Extinct about 1893. <br />Reasons--probably predation by introduced rats and mongooses. <br />Great Auk, Pinguinus impennis. North Atlantic Ocean. Extinct about 1844. Reason-- <br />overhunting . <br />Passenger Pigeon, Ectopistes migratorius. North American. Extinct in 1914. Reasons-- <br />overhunting and loss of habitat. <br />1 <br />