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bush dog
The bush dog (''Speothos venaticus'') is a canid found in Central and South America.〔〔 In spite of its extensive range, it is very rare in most areas except in Suriname, Guyana, and Peru;〔〔 it was first identified by Peter Wilhelm Lund as fossils in Brazilian caves and believed to be extinct. The bush dog is the only living species in the genus ''Speothos'',〔 and genetic evidence suggests that its closest living relative is the maned wolf of central South America. (Note: this has recently been disputed, its closest relative may be the African wild dog ).
In Brazil it is called ''cachorro-vinagre'' ("vinegar dog") or ''cachorro-do-mato'' ("bush dog"). In Spanish-speaking countries it is called ''perro vinagre'' ("vinegar dog"), ''zorro vinagre'' ("vinegar fox"), ''perro de agua'' ("water dog"), or ''perro de monte'' ("bush dog").
==Description==
Adult bush dogs have soft long brownish-tan fur, with a lighter reddish tinge on the head, neck and back and a bushy tail, while the underside is dark, sometimes with a lighter throat patch. Younger individuals, however, have black fur over their entire bodies. Adults typically have a head-body length , with a tail. They have a shoulder height of and weigh .〔(【引用サイトリンク】 url = http://www.arkive.org/bush-dog/speothos-venaticus/ )〕 They have short legs relative to their body, as well as a short snout and relatively small ears.〔
The teeth are adapted for its carnivorous habits, and uniquely for an American canid, the dental formula is for a total of 38 teeth.〔 The bush dog is one of three canid species with trenchant heel dentition, having a single cusp on the talonid of the lower carnassial tooth that increases the cutting blade length.〔 Females have four pairs of teats, and both sexes have large scent glands either side of the anus.〔 Bush dogs have partially webbed toes, which allow them to swim more efficiently.
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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