Litter Size

How many babies does a American marten have at once? (litter size)

How many baby American martens are in a litter?

A American marten (Martes americana) usually gives birth to around 2 babies.

Each of those little ones spend around 28 days as a fetus before they are released into the wild. Upon birth, they weight 31 grams (0.07 lbs) and measure 8.9 cm (0′ 4″). They are a member of the Mustelidae family (genus: Martes). An adult American marten grows up to a size of 38.2 cm (1′ 4″).

To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.

The average litter size of a American marten is 2

The American marten or American pine marten (Martes americana) is a species of North American mammal, a member of the family Mustelidae. The species is sometimes referred to as simply the pine marten. The name “pine marten” is derived from the common name of the distinct Eurasian species Martes martes. The American marten differs from the fisher (Pekania pennanti) in that it is smaller in size and lighter in color.

Other animals of the family Mustelidae

American marten is a member of the Mustelidae, as are these animals:

Animals that share a litter size with American marten

Those animals also give birth to 2 babies at once:

Animals that get as old as a American marten

Other animals that usually reach the age of 19 years:

Animals with the same weight as a American marten

What other animals weight around 878 grams (1.94 lbs)?

Animals with the same size as a American marten

Also reaching around 38.2 cm (1′ 4″) in size do these animals: