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The only species of marmot endemic to Vancouver Island, [11] it apparently evolved rapidly since the retreat of the Cordilleran ice sheet some 10,000 years ago. [12] It is distinct from other marmot species in terms of morphology, [13] genetics, [14] behaviour, [15] and ecology. [16]
Humans cannot contract hepatitis from woodchucks with WHV, but the virus and its effects on the liver make the woodchuck the best available animal for the study of viral hepatitis in humans. The only other animal model for hepatitis B virus studies is the chimpanzee, an endangered species. [85]
Marmots are large rodents with characteristically short but robust legs, enlarged claws which are well adapted to digging, stout bodies, and large heads and incisors to quickly process a variety of vegetation. While most species are various forms of earthen-hued brown, marmots vary in fur coloration based roughly on their surroundings.
Ground squirrels are rodents of the squirrel family that generally live on the ground or in burrows, rather than in trees like the tree squirrels.The term is most often used for the medium-sized ground squirrels, as the larger ones are more commonly known as marmots (genus Marmota) or prairie dogs, while the smaller and less bushy-tailed ground squirrels tend to be known as chipmunks (genus ...
The Olympic marmot (Marmota olympus) is a rodent in the squirrel family, Sciuridae. It occurs only in the U.S. state of Washington, at the middle elevations of the Olympic Peninsula. The closest relatives of this species are the hoary marmot and the Vancouver Island marmot. In 2009, it was declared the official endemic mammal of Washington state.
Enacted 50 years ago on Dec. 28, 1973, this legislation has played a pivotal role in preserving and protecting hundreds of species. 18 Texas species supported by the Endangered Species Act over 50 ...
Range maps often erroneously depict hoary marmots occurring north of the Yukon River in Alaska, this region is occupied by the Alaska marmot (M. broweri) and not the hoary marmot. [14] Hoary marmots also occur on several islands in Alaska and fossils dating back to the Pleistocene, including some from islands no longer inhabited by the species ...
She was described as having a “calm and majestic presence,” and had “surpassed both the life expectancy of Amur leopards in the wild (10-15 years) and in human care (15-20 years).”