An Old World monkey of the Cercopithecidae family of primates that inhabits Laos, Vietnam, and the surrounding islands. There is one genus and one species. It is thought to be an ancient type of monkey that connects the Colobinae and Cercopithecinae subfamilies. Its body color is dark gray with white hair on its cheeks and neck. Its face is black or yellow. Its muzzle is slightly more prominent than that of other Colobinae monkeys. The head and body length is 55-82 cm in males and 60-63 cm in females. The tail length is 60-77 cm in males and 60-67 cm in females. It prefers leaves. It has a stomach with several constrictions similar to that of herbivores such as cows, some of which contain enzymes that digest the plant fiber cellulose. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ラオス,ベトナムおよびその周辺の島に生息する霊長目オナガザル科の旧世界ザル。1属1種。コロブス亜科とオナガザル亜科をつなぐ古い型のサルであると考えられている。体色は黒っぽい灰色で,ほおと首に白い毛をもつ。顔は黒色,または黄色。他のコロブス亜科のサルに比べて鼻口部がやや突出している。頭胴長は雄が55~82cm,雌が60~63cm。尾長は雄が60~77cm,雌が60~67cm。木の葉を好んで食べる。牛などの草食獣に似たいくつかにくびれた胃をもち,その一部に植物繊維のセルロースを消化する酵素をもつ。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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