Litter Size

How many babies does a Yellow-bellied marmot have at once? (litter size)

How many baby Yellow-bellied marmots are in a litter?

A Yellow-bellied marmot (Marmota flaviventris) usually gives birth to around 4 babies.With 1 litters per year, that sums up to a yearly offspring of 4 babies.

Each of those little ones spend around 30 days as a fetus before they are released into the wild. Upon birth, they weight 33 grams (0.07 lbs) and measure 11.1 cm (0′ 5″). They are a member of the Sciuridae family (genus: Marmota). An adult Yellow-bellied marmot grows up to a size of 41.2 cm (1′ 5″).

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 Yellow-bellied marmot is 4

The yellow-bellied marmot (Marmota flaviventris), also known as the rock chuck, is a large, stout-bodied ground squirrel in the marmot genus. It is one of fourteen species of marmots, and is native to mountainous regions of southwestern Canada and western United States, including the Rocky Mountains, Sierra Nevada, and Mount Rainier in the state of Washington, typically living above 6,500 feet (2,000 m). The fur is mainly brown, with a dark bushy tail, yellow chest and white patch between the eyes, and they weigh up to approximately 5 kg (11 lb). They live in burrows in colonies of up to twenty individuals with a single dominant male. They are diurnal and feed on plant material, insects, and bird eggs. They hibernate for approximately eight months starting in September and lasting through the winter.

Other animals of the family Sciuridae

Yellow-bellied marmot is a member of the Sciuridae, as are these animals:

Animals that share a litter size with Yellow-bellied marmot

Those animals also give birth to 4 babies at once:

Animals that get as old as a Yellow-bellied marmot

Other animals that usually reach the age of 8 years:

Animals with the same weight as a Yellow-bellied marmot

What other animals weight around 3.71 kg (8.18 lbs)?

Animals with the same size as a Yellow-bellied marmot

Also reaching around 41.2 cm (1′ 5″) in size do these animals: