How many baby Mexican deer mouses are in a litter?
A Mexican deer mouse (Peromyscus mexicanus) usually gives birth to around 2 babies.With 7 litters per year, that sums up to a yearly offspring of 14 babies.
Each of those little ones spend around 30 days as a fetus before they are released into the wild. Upon birth, they weight 4 grams (0.01 lbs) and measure 1.3 cm (0′ 1″). They are a member of the Muridae family (genus: Peromyscus). An adult Mexican deer mouse grows up to a size of 12.4 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 Mexican deer mouse (Peromyscus mexicanus) is a species of forest-dwelling rodent in the family Cricetidae. It is found in southern Mexico and throughout much of Central America.
Other animals of the family Muridae
Mexican deer mouse is a member of the Muridae, as are these animals:
- Barbary striped grass mouse with 4 babies per pregnancy
- Allen’s cotton rat weighting only 174 grams
- Lesser Wilfred’s mouse weighting only 22 grams
- Van Deusen’s rat with 2 babies per pregnancy
- Red spiny rat with 3 babies per pregnancy
- Issel’s groove-toothed swamp rat weighting only 60 grams
- Field vole with 4 babies per pregnancy
- Olive grass mouse with 5 babies per pregnancy
- Holochilus brasiliensis with 3 babies per pregnancy
- Major’s tufted-tailed rat weighting only 100 grams
Animals that share a litter size with Mexican deer mouse
Those animals also give birth to 2 babies at once:
- Red tree vole
- Glacier rat
- Banana climbing mouse
- White-lipped tamarin
- Indian grey mongoose
- Richmond’s squirrel
- Phillips’s kangaroo rat
- African marsh rat
- Fawn-footed mosaic-tailed rat
- Lowland ringtail possum
Animals with the same weight as a Mexican deer mouse
What other animals weight around 42 grams (0.09 lbs)?
- Fat-tailed gerbil weighting 47 grams
- Japanese water shrew weighting 35 grams
- San José Island kangaroo rat weighting 38 grams
- Merriam’s kangaroo rat weighting 37 grams
- Cape elephant shrew weighting 49 grams
- Pen-tailed treeshrew weighting 42 grams
- Handleyomys chapmani weighting 49 grams
- Tawny deer mouse weighting 40 grams
- Pseudoryzomys weighting 45 grams
- Mexican water mouse weighting 40 grams
Animals with the same size as a Mexican deer mouse
Also reaching around 12.4 cm (0′ 5″) in size do these animals:
- Sculptor squirrel gets as big as 12 cm (0′ 5″)
- Yucatan deer mouse gets as big as 10 cm (0′ 4″)
- Luzon Cordillera forest mouse gets as big as 10.9 cm (0′ 5″)
- Chisel-toothed kangaroo rat gets as big as 11.2 cm (0′ 5″)
- Least forest mouse gets as big as 10.9 cm (0′ 5″)
- Wahlberg’s epauletted fruit bat gets as big as 13.1 cm (0′ 6″)
- Rusty-bellied brush-furred rat gets as big as 11.8 cm (0′ 5″)
- Mexican volcano mouse gets as big as 11.5 cm (0′ 5″)
- Maritime striped squirrel gets as big as 13.2 cm (0′ 6″)
- Moss-forest rat gets as big as 12.1 cm (0′ 5″)