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American Marten

American Marten
Photographer: Cody Connor

American Marten

A young American Marten
Photographer: Dusty Bushong
This image of a young American Marten
was taken in Glacier National Park, USA

American Marten Range Map (North America)
American Marten Range Map (North America)
Attribution: IUCN, species assessors & spatial data authors
Latin Name Martes americana
Conservation Status Least Concern
Location North America
Colour Brown
Length 32 - 45 cm (12.6 - 17.7 inches)
Tail 13 - 23 cm (5.1 - 9 inches)
Weight 280 - 1,300 g (9.9 - 45.9 oz)
Life Expectancy

Up to 17 Yrs (in Captivity)

Main Characteristics

American Martens have a body length between 32 and 45 cms (12.6 - 17.7 inches), a tail length between 13 and 23 cms (5.1 - 9 inches) and they weigh between 280 and 1,300 g (9.9 - 45.9 oz).

They have a long, slender build with light brown colouration on their back, dark brown on their legs and tail and greyish/brown on their head. Their chest has a pale coloured patch, they have large eyes, cat-like ears and sharp, curved claws.


American Martens can be found in the forests of northern North America.


American Martens feed on small birds, small mammals, insects, fruit, nuts and carrion.


After a period of 192 - 247 days of delayed implantation and a 28 day actual gestation period, American Martens give birth to a litter of 1 - 5 young. They grow quickly and are weaned at 42 days old. Sexual maturity is reach between 15 and 24 months old.


Predators of American Martens have not been documented, but it is likely they fall prey to larger carnivores, owls and birds of prey.


Subspecies of the American Marten include:

Martes americana abieticola
Martes americana abietinoides
Martes americana actuosa
Martes americana americana
Martes americana atrata
Martes americana caurina
Martes americana humboldtensis
Martes americana kenaiensis
Martes americana nesophila
Martes americana origensis
Martes americana sierrae
Martes americana vancourverensis
Martes americana vulpina

Interesting Facts

Similar Animals

Beech Marten
European Pine Marten
Nilgiri Marten
Japanese Marten
Yellow-Throated Marten


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