Litter Size

How many babies does a Linnaeus’s mouse opossum have at once? (litter size)

How many baby Linnaeus’s mouse opossums are in a litter?

A Linnaeus’s mouse opossum (Marmosa murina) usually gives birth to around 7 babies.With 2 litters per year, that sums up to a yearly offspring of 14 babies.

Each of those little ones spend around 13 days as a fetus before they are released into the wild. Upon birth, they weight 110 grams (0.24 lbs) and measure 13.3 cm (0′ 6″). They are a member of the Didelphidae family (genus: Marmosa). An adult Linnaeus’s mouse opossum grows up to a size of 12 cm (0′ 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 Linnaeus's mouse opossum is 7

Linnaeus’s mouse opossum (Marmosa murina), also known as the common or murine mouse opossum, is a South American marsupial of the family Didelphidae.

Other animals of the family Didelphidae

Linnaeus’s mouse opossum is a member of the Didelphidae, as are these animals:

Animals that share a litter size with Linnaeus’s mouse opossum

Those animals also give birth to 7 babies at once:

Animals with the same weight as a Linnaeus’s mouse opossum

What other animals weight around 36 grams (0.08 lbs)?

Animals with the same size as a Linnaeus’s mouse opossum

Also reaching around 12 cm (0′ 5″) in size do these animals: