22 Facts About American marten


American marten, known as the American pine marten, is a species of North American mammal, a member of the family Mustelidae.

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The name "pine American marten" is derived from the common name of the distinct Eurasian species, Martes martes.

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Identification of the American marten is further eased by a characteristic bib that is a distinctly different color than the body.

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Pacific American marten was formerly thought to be conspecific, but genetic studies support both being distinct species from one another.

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The American marten's distribution is vast and continuous in Canada and Alaska.

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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.

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The American marten has been reintroduced in several areas where extinction occurred, although in some cases it has instead been introduced into the range of the Pacific marten.

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Several translocations of American marten have been made without regard to the Pacific marten, threatening the latter species.

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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.

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American marten usually have a characteristic throat and chest bib ranging in color from pale straw to vivid orange.

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American marten have limited body-fat reserves, experience high mass-specific heat loss, and have limited fasting endurance.

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In south-central Alaska, American marten were more active in autumn than in late winter and early spring .

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In south-central Alaska, American marten were nocturnal in autumn, with strong individual variability in diel activity in late winter.

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Snowy habitat in many parts of the range of the American marten provides thermal protection and opportunities for foraging and resting.

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Where deep snow accumulates, American marten prefer cover types that prevent snow from packing hard and have structures near the ground that provide access to subnivean sites.

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Adult American marten are generally solitary except during the breeding season.

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American marten are opportunistic predators, influenced by local and seasonal abundance and availability of potential prey.

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Diet is generally more diverse in with the American marten's distribution compared to Pacific marten's, though there is high diversity in the Pacific states.

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American marten are vulnerable to predation from raptors and other carnivores.

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Fur of the American marten is shiny and luxuriant, resembling that of the closely related sable .

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American marten are trapped for their fur in all but a few states and provinces where they occur.

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American marten are particularly vulnerable to trapping mortality in industrial forests.

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