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Howler monkeys (genus ''Alouatta'' monotypic in subfamily Alouattinae) are among the largest of the New World monkeys and one of only a few nest-building monkeys. Fifteen species are currently recognised. Previously classified in the family Cebidae, they are now placed in the family Atelidae. These monkeys are native to South and Central American forests. Threats to howler monkeys include human predation, habitat destruction and being captured for captivity as pets or zoo animals. These monkeys are famous for their loud howls, which can travel three miles through dense forest. ==Classification== * ''A. palliata'' group * * Coiba Island howler, ''Alouatta coibensis'' * * * ''Alouatta coibensis coibensis'' * * * Azuero howler, ''Alouatta coibensis trabeata'' * * Mantled howler, ''Alouatta palliata'' * * * Ecuadorian mantled howler, ''Alouatta palliata aequatorialis'' * * * Golden-mantled howler, ''Alouatta palliata palliata'' * * * Mexican howler monkey, ''Alouatta palliata mexicana'' * * Guatemalan black howler, ''Alouatta pigra'' * ''A. seniculus'' group * * Ursine howler, ''Alouatta arctoidea'' * * Red-handed howler, ''Alouatta belzebul'' * * Spix's red-handed howler, ''Alouatta discolor'' * * Brown howler, ''Alouatta guariba'' * * * Northern brown howler, ''Alouatta guariba guariba'' * * * Southern brown howler, ''Alouatta guariba clamitans'' * * Juruá red howler, ''Alouatta juara'' * * Guyanan red howler, ''Alouatta macconnelli'' * * Amazon black howler, ''Alouatta nigerrima'' * * Purus red howler, ''Alouatta puruensis'' * * Bolivian red howler, ''Alouatta sara'' * * Venezuelan red howler, ''Alouatta seniculus'' * * Maranhão red-handed howler, ''Alouatta ululata'' * ''A. caraya'' group * * Black howler, ''Alouatta caraya'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Howler monkey」の詳細全文を読む スポンサード リンク
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