Optimal winter habitat is characterized as mature to overmature conifer forest with 40% fir or spruce and canopy closure greater than 50%. American Marten (Martes americana), a State Endangered mammal, lives in mature, dense conifer forests, mixed conifer-hardwood, and hardwood dominanted forests. Stone martens are 23-31 inches long (including the tail), weigh 1-4.5 pounds and are pale gray to brown with a white throat patch. By 1920 pine martens had almost disappeared from Minnesota. The American (or pine) marten is a predator (meat eater) species that belongs to the weasel family. They prefer forests with a mixture of conifers and deciduous trees including cedar, balsam, hemlock, white pine, yellow birch, maple, fir and spruce. : 819-953-3215Fax: 819-994-3684COSEWIC E-mailCOSEWIC Website. Fishers live in similar habitat and have similar tracks. The table below lists the natural communities that are associated with American Marten. The American Marten is a member of the weasel family that is slightly smaller than a house cat and lives in forested habitats. Lemon, J. COSEWIC would like to acknowledge Brian Slough for writing the status report on the American marten, Martes americana atrata (Newfoundland population) in Canada, prepared under contract with Environment Canada, overseen and edited by Marco Festa-Bianchet, Co-chair (Terrestrial Mammals), COSEWIC Terrestrial Mammals Species Specialist Subcommittee. Please see the Wildlife Action Plan to learn how this information was developed. American marten -- Photographer: John Gosse. Further to the Terms and conditions for this website, some of the photos, drawings, and graphical elements found in material produced by COSEWIC are subject to copyrights held by other organizations and by individuals. Ottawa. Mating occurs during July and August. Please considering donating a photo to the Natural Heritage Conservation Program for educational uses. Martens move across the forest floor in a zig-zag fashion, often followed by a series of jumps. The population was estimated to be 100-150 marten, but was still centered within the release sites in Marten Restoration Area. Later, martens, too, were reintroduced into the protected areas. Like other species in the weasel family, they differ in size according to sex. Generally, the American marten is not endangered in the U.S. and Canada. For enquiries, contact us. The American Marten doesn't have widespread American federal protection, but it is on several state endangered species lists. Wisconsin Department of Natural Resources  |  101 S. Webster Street . * Ecological priority score is a relative measure that is not meant for comparison between species. No estimate is available for the Chequamegon population. both state and federal - and the rank (S and G Ranks) for American Marten The most recent estimate for the Nicolet population, completed in 2005, reported 221 + 61 animals. Existing Protection or Other Status Designations, Acknowledgements and Authorities Consulted, Comité sur la situation des espèces en péril au Canada, Également disponible en français sous le titre Évaluation et Rapport de situation du COSEPAC sur le martre d’Amérique (population de Terre Neuve), Species at Risk Act: COSEWIC assessments and status reports. There were no known survivors from this group. Presently, the DNR is updating the recovery plan based on recent information collected and an improved marten knowledge base. However, there are some states where this animal has been extirpated or is endangered. As a species, American martens are not endangered in the U.S. or Canada. The body of marten is slim and legs are short. They have a high metabolism, thus require a lot of food for energy. Also, proportionately larger ears and the reddish-yellow throat patch characteristic of American Martens help distinguish the two species. In 1972, American martens were placed on the Wisconsin Endangered Species List. They pursue prey, such as red squirrels or chipmunks, up a tree and can climb trees to avoid danger. The once extirpated American marten has been reintroduced to WI at several locations, all within the North Central Forest. Critical Habitat: Critical habitat has not been designated for the Humboldt marten. In Colorado, for example, an internal memo leaked to the press in 2001 revealed that the Colorado Division of Wildlife was considering allowing marten trapping. In Wisconsin, male marten territories average about 2 square miles, while female's average about 1.0 square mile. A sub-species of the American marten, the Newfoundland marten (Martes americana atrata), can only be found on the island of Newfoundland and on the Labrador peninsula. It appears these goals were achieved. Martens are found from Newfoundland and Nova Scotia to Alaska. In addition, telemetry data from radio-collared juveniles will provide information on dispersal, survival, and habitats being used. Areas with windfalls provide the needed shelter, prey abundance, and access to the prey at ground surface under deep snow. The DNR's Bureaus of Endangered Resources, Wildlife Management, and Integrated Science Services, in cooperation with the U.S. Forest Service and other agencies and stakeholders, implemented an American Marten Recovery Plan in 1986.