Litter Size

How many babies does a Southern pygmy mouse have at once? (litter size)

How many baby Southern pygmy mouses are in a litter?

A Southern pygmy mouse (Baiomys musculus) usually gives birth to around 2 babies.

Upon birth, they weight 1 grams (0 lbs) and measure 9 cm (0′ 4″). They are a member of the Muridae family (genus: Baiomys). An adult Southern pygmy mouse grows up to a size of 7.5 cm (0′ 3″).

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 southern pygmy mouse (Baiomys musculus) is a species of rodent in the family Cricetidae.It is found in El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.

Other animals of the family Muridae

Southern pygmy mouse is a member of the Muridae, as are these animals:

Animals that share a litter size with Southern pygmy mouse

Those animals also give birth to 2 babies at once:

Animals with the same weight as a Southern pygmy mouse

What other animals weight around 9 grams (0.02 lbs)?

Animals with the same size as a Southern pygmy mouse

Also reaching around 7.5 cm (0′ 3″) in size do these animals: