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Neotropic cormorant
The Neotropic cormorant or olivaceous cormorant (''Phalacrocorax brasilianus'') is a medium-sized cormorant found throughout the American tropics and subtropics, from the middle Rio Grande and the Gulf and Californian coasts of the United States south through Mexico and Central America to southern South America, where he is called by the indian name of "bigua". It also breeds on the Bahamas, Cuba and Trinidad. It can be found both at coasts (including some mangrove areas) and on inland waters. There are at least two subspecies: ''P. b. mexicanus'' from Nicaragua northwards and ''P. b. brasilianus'' further south.
==Taxonomy==
The species was documented in 1658 by Willem Piso after travels in Brazil. This formed the basis for the description and naming of the species by Johann Friedrich Gmelin in 1789. Many later authors preferred to use the name ''Phalacrocorax olivaceus'' based on Alexander von Humboldt's 1805 description because the identity of Piso's birds was considered uncertain. Recently, many authorities such as the American Ornithologists' Union have begun to use ''Phalacrocorax brasilianus'' after M. Ralph Browning argued that Piso's description and paintings do indeed refer to the Neotropic cormorant.〔Browning, M. Ralph (1989) (The correct name for the Olivaceous Cormorant, "Maiague" of Piso (1658). ), ''Wilson Bulletin'', 101 (1): 101-106.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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