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| 질의: Common hippopotamus | 결과: 4번째/20 | |
Pygmy Hippopotamus (Choeropsis liberiensis) - Wiki
| 제목: | Pygmy Hippopotamus (Choeropsis liberiensis) - Wiki
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| 해상도: 2100x1200
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촬영일: 2005:03:27 16:14:51
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Pygmy Hippopotamus
From Wikipedia, the free encyclopedia
[Photo] Description Zwergflusspferd - Pygmy Hippopotamus - Hexaprotodon liberiensis at Zoo Duisburg, Germany. Date 27. Mar. 2005. Author Raymond de - Raimond Spekking
The Pygmy Hippopotamus (Choeropsis liberiensis) is a large mammal native to the forests and swamps of western Africa (the species name, meaning "of Liberia", reflects this). The pygmy hippo is an herbivore and also nocturnal. It is one of only two extant species in the hippopotamus family. Unlike its larger relative, the Hippopotamus, relatively little is known about the Pygmy Hippo's diet or behavior, although it is clear that the Pygmy Hippo is adapted to forest environments rather than the more open plains and grasslands that the Hippopotamus prefers. Some authors place the Pygmy Hippo in the genus Hexaprotodon, along with a number of fossil forms.
Pygmy Hippos stand about 75 cm (30 inches) high at the shoulder and weigh 180 kilograms (400 pounds). They are more solitary than their larger relatives and considerably less aquatic. The skin is greenish-black, shading to a creamy gray on the lower body. The average lifespan is 35 years, and one in captivity reached the age of 42. The gestation period ranges from 190-210 days, and usually a single young is born. Pygmy Hippos live either alone or in small groups, typically a mated pair and one calf.
All species of hippo spend most of their time in the water, emerging mainly at night in order to feed on land. The Pygmy Hippo is half as tall as the Hippopotamus and weighs 1/10 as much as a small member of the larger hippo species. The fossil record suggests that the Pygmy Hippo is closer in form and possibly behavior to the common ancestor.
Pygmy hippos exist in two populations. One ranges in Guinea, Sierra Leone, Liberia and C??te d'Ivoire. The other population, with a different shape to the skull, ranged until recently in the Niger Delta but may now be extinct.
There are two subspecies of the pygmy hippopotamus. Choeropsis liberiensis heslopi is a critically endangered subspecies, and may possibly even be extinct. The other subspecies, Choeropsis liberiensis liberiensis, is a category 4 (vulnerable)
http://en.wikipedia.org/wiki/Pygmy_hippopotamus
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