How many baby Large Japanese field mouses are in a litter?
A Large Japanese field mouse (Apodemus speciosus) usually gives birth to around 4 babies.
Upon birth, they weight 2 grams (0 lbs) and measure 3.7 cm (0′ 2″). They are a member of the Muridae family (genus: Apodemus). An adult Large Japanese field mouse grows up to a size of 9.1 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 large Japanese field mouse (Apodemus speciosus) is a nocturnal species of rodent in the family Muridae.It is endemic to Japan.
Other animals of the family Muridae
Large Japanese field mouse is a member of the Muridae, as are these animals:
- Gould’s mouse weighting only 49 grams
- Oldfield white-bellied rat weighting only 81 grams
- Long-clawed mole vole with 3 babies per pregnancy
- Bolivian vesper mouse weighting only 27 grams
- Gray-bellied tree mouse with 2 babies per pregnancy
- Short-tailed hopping mouse weighting only 89 grams
- Thomas’s mosaic-tailed rat with 1 babies per pregnancy
- Tete veld aethomys weighting only 133 grams
- Southern Plains woodrat with 2 babies per pregnancy
- Isarog shrew-rat weighting only 122 grams
Animals that share a litter size with Large Japanese field mouse
Those animals also give birth to 4 babies at once:
- Australian swamp rat
- Colorado chipmunk
- Large-eared pika
- Steppe lemming
- North American least shrew
- European hedgehog
- Hodgson’s brown-toothed shrew
- Giant forest hog
- Japanese grass vole
- Bunchgrass leaf-eared mouse
Animals with the same weight as a Large Japanese field mouse
What other animals weight around 43 grams (0.09 lbs)?
- Least chipmunk weighting 42 grams
- Rock dormouse weighting 46 grams
- Indian roundleaf bat weighting 44 grams
- Lesser musky fruit bat weighting 47 grams
- Greater Egyptian gerbil weighting 42 grams
- Champion’s tree mouse weighting 50 grams
- Mountain tube-nosed fruit bat weighting 43 grams
- Grant’s rock mouse weighting 40 grams
- Ammodile weighting 50 grams
- Andean big-eared mouse weighting 38 grams