The black-shanked douc (Pygathrix nigripes ) is an endangered species of douc found mostly in the forests of eastern Cambodia, with some smaller populations in Vietnam. This species is unique among the doucs in having a largely greyish-blue face. No global population estimate exists, although the Wildlife Conservation Society reports a almost 25,000 individuals present in Cambodia's Keo Seima Wildlife Sanctuary, a population that has remained stable over the last decade. Prior to the discovery of the significance of this population, the largest populations were believed to be in adjacent Vietnam, where the largest known population is around 500-600 individuals. They are primarily arboreal and their diet consists of leaves, from which they obtain most of their water.
In zoology, a folivore is a herbivore that specializes in eating leaves. Mature leaves contain a high proportion of hard-to-digest cellulose, less ...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
Arboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some anima...
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In a study of the largest known population, black-shanked douc were observed to mostly consume seeds, with 40% of feeding records being dedicated to seeds. Leaves, especially young leaves, also were a significant part of the diet. Black-shanked douc were highly selective in their diet, feeding from only 35 positively-identified plant species and with 44% of all feeding records coming from only five plant species.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...