Interesting facts about American Marten by weird square
Channel: Animal Square
Date: 2018-01-12

#pet #animal : The most, new, latest, shocking, weird, scary, funny, fascinating, interesting and amazing things | facts in the world.The American marten or American pine marten (Martes americana) is a North American member of the family Mustelidae, sometimes referred to as the pine marten. The name "pine marten" is derived from the common but distinct Eurasian species of Martes. It differs from the fisher (Martes pennanti) in that it is smaller in size and lighter in colour.
The American marten is broadly distributed in northern North America. From north to south its range extends from the northern limit of treeline in arctic Alaska and Canada to northern New Mexico. From east to west its distribution extends from Newfoundland and south west to Napa County, California. In Canada and Alaska, American marten distribution is vast and continuous. In the western United States, American marten distribution is limited to mountain ranges that provide preferred habitat. Over time, the distribution of American marten has contracted and expanded regionally, with local extirpations and successful recolonizations occurring in the Great Lakes region and some parts of the Northeast. The American marten has been reintroduced in several areas where extinction occurred
The marten lives in mature coniferous or mixed forests in Alaska and Canada, the Pacific Northwest of the United States and south into Northern New England and through the Rocky Mountains and Sierra Nevada. Small groups of martens live in the Midwest in Minnesota and Wisconsin. Trapping and destruction of forest habitat have reduced its numbers, but it is still much more abundant than the larger fisher. The Newfoundland subspecies of this animal (Martes americana atrata) is considered to be threatened.
The American marten is a long, slender-bodied weasel about the size of a mink with relatively large rounded ears, short limbs, and a bushy tail. American marten have a roughly triangular head and sharp nose. Their long, silky fur ranges in color from pale yellowish buff to tawny brown to almost black. Their head is usually lighter than the rest of their body, while the tail and legs are darker. American marten usually have a characteristic throat and chest bib ranging in color from pale straw to vivid orange. Sexual dimorphism is pronounced, with males averaging about 15% larger than females in length and as much as 65% larger in body weight.
Total length ranges from 1.5 to 2.2 feet (0.5–0.7 m), with tail length of 5.4 to 6.4 inches (135–160 mm), Adult weight ranges from 1.1 to 3.1 pounds (0.5–1.4 kg)[24][3] and varies by age and location. Other than size, sexes are similar in appearance. American marten have limited body-fat reserves, experience high mass-specific heat loss, and have a limited fasting endurance. In winter, individuals may go into shallow torpor daily to reduce heat loss. Animal planet | Discovery | Netflix | Documentary | Animal World
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