How many baby Hooper’s mouses are in a litter?
A Hooper’s mouse (Peromyscus hooperi) usually gives birth to around 3 babies.
Each of those little ones spend around 33 days as a fetus before they are released into the wild. 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 Hooper’s 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.
Hooper’s mouse (Peromyscus hooperi) is a species of rodent in the family Cricetidae. It is the only member of the Peromyscus hooperi species group, and is found only in Mexico. The species is named for Emmett Hooper, a researcher into the taxonomy of the genus Peromyscus.
Other animals of the family Muridae
Hooper’s mouse is a member of the Muridae, as are these animals:
- Arctic lemming with 3 babies per pregnancy
- Muskrat with 6 babies per pregnancy
- Black rat with 5 babies per pregnancy
- Dune hairy-footed gerbil with 4 babies per pregnancy
- Greater big-footed mouse weighting only 55 grams
- Lesser stick-nest rat weighting only 150 grams
- Florida naked-tailed rat raching a size of 27 cm (0′ 11″)
- Mesquite mouse with 3 babies per pregnancy
- Ruschi’s rat weighting only 63 grams
- Ashy-bellied Oldfield mouse weighting only 77 grams
Animals that share a litter size with Hooper’s mouse
Those animals also give birth to 3 babies at once:
- Common dwarf mongoose
- Bushy-tailed hairy-footed gerbil
- Nicobar shrew
- Lesser gray-brown musk shrew
- North American beaver
- Silky pocket mouse
- Salvin’s spiny pocket mouse
- Black-eared mouse
- Baluchistan pygmy jerboa
- Northern grasshopper mouse
Animals with the same weight as a Hooper’s mouse
What other animals weight around 35 grams (0.08 lbs)?
- White-bellied slender opossum weighting 34 grams
- Common tube-nosed fruit bat weighting 29 grams
- Sclater’s golden mole weighting 39 grams
- Grey red-backed vole weighting 36 grams
- Halmahera blossom bat weighting 39 grams
- Fresno kangaroo rat weighting 41 grams
- Elegant fat-tailed mouse opossum weighting 28 grams
- Chiapan deer mouse weighting 40 grams
- Northwestern deer mouse weighting 28 grams
- Intelligent grass mouse weighting 28 grams