How many baby San Lorenzo mouses are in a litter?
A San Lorenzo mouse (Peromyscus interparietalis) usually gives birth to around 2 babies.
Upon birth, they weight 2 grams (0 lbs) and measure 1.3 cm (0′ 1″). They are a member of the Muridae family (genus: Peromyscus). An adult San Lorenzo mouse grows up to a size of 9.8 cm (0′ 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 San Lorenzo mouse (Peromyscus interparietalis) is a species of rodent in the family Cricetidae. It is endemic to Mexico, where it is found only from the islands of San Lorenzo Norte, San Lorenzo Sur, and Salsipuedes off the east coast of Baja California. The species is threatened by predation by feral and domestic cats, particularly on San Lorenzo Sur.
Other animals of the family Muridae
San Lorenzo mouse is a member of the Muridae, as are these animals:
- Slender rat with 2 babies per pregnancy
- Andean vesper mouse with 4 babies per pregnancy
- Lindbergh’s grass mouse weighting only 26 grams
- Marsh rice rat with 4 babies per pregnancy
- Tarabundà vole with 1 babies per pregnancy
- Lesser ranee mouse raching a size of 6.5 cm (0′ 3″)
- Serra do Mar grass mouse weighting only 28 grams
- Nephelomys albigularis with 3 babies per pregnancy
- Eastern broad-toothed field mouse with 3 babies per pregnancy
- Mozambique thicket rat with 2 babies per pregnancy
Animals that share a litter size with San Lorenzo mouse
Those animals also give birth to 2 babies at once: