How many baby Zacatecan deer mouses are in a litter?
A Zacatecan deer mouse (Peromyscus difficilis) usually gives birth to around 3 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 Zacatecan deer mouse grows up to a size of 8.2 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 Zacatecan deer mouse, or southern rock deermouse (Peromyscus difficilis) is a species of rodent in the family Cricetidae. It is found only in Mexico, and is not considered endangered.
Other animals of the family Muridae
Zacatecan deer mouse is a member of the Muridae, as are these animals:
- Oryzomys couesi with 3 babies per pregnancy
- Woosnam’s broad-headed mouse with 5 babies per pregnancy
- European water vole with 4 babies per pregnancy
- Gray leaf-eared mouse with 6 babies per pregnancy
- Bushveld gerbil with 4 babies per pregnancy
- Indian bush rat with 4 babies per pregnancy
- Water vole (North America) with 5 babies per pregnancy
- Turkestan rat with 4 babies per pregnancy
- Van Deusen’s rat with 2 babies per pregnancy
- Northeast African mole-rat with 1 babies per pregnancy
Animals that share a litter size with Zacatecan deer mouse
Those animals also give birth to 3 babies at once:
- Nimba otter shrew
- Japanese mole
- Blackish white-toothed shrew
- Mesquite mouse
- Hoary bamboo rat
- Nagtglas’s African dormouse
- Orange-bellied Himalayan squirrel
- Southwestern water vole
- Acacia rat
- Tibetan sand fox
Animals with the same weight as a Zacatecan deer mouse
What other animals weight around 27 grams (0.06 lbs)?
- Forrest’s mouse weighting 23 grams
- Lined pocket mouse weighting 23 grams
- Large slit-faced bat weighting 29 grams
- Southern African spiny mouse weighting 26 grams
- Dusky caenolestid weighting 29 grams
- Stirton’s deer mouse weighting 29 grams
- Abrothrix lanosus weighting 27 grams
- Thespian grass mouse weighting 24 grams
- Carriker’s round-eared bat weighting 22 grams
- Elegant fat-tailed mouse opossum weighting 28 grams