How many baby Rudd’s mouses are in a litter?
A Rudd’s mouse (Uranomys ruddi) usually gives birth to around 4 babies.
Upon birth, they weight 443 grams (0.98 lbs) and measure 8.4 cm (0′ 4″). They are a member of the Muridae family (genus: Uranomys). An adult Rudd’s mouse grows up to a size of 9.3 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.
Rudd’s mouse or the white-bellied brush-furred rat (Uranomys ruddi) is the only member of the genus Uranomys. This animal is closely related to the spiny mice, brush-furred mice, and the link rat.
Other animals of the family Muridae
Rudd’s mouse is a member of the Muridae, as are these animals:
- Least gerbil weighting only 26 grams
- Least forest mouse weighting only 21 grams
- Moss-forest rat with 2 babies per pregnancy
- Stein’s paramelomys raching a size of 12.5 cm (0′ 5″)
- Pearson’s chaco mouse weighting only 25 grams
- Golden spiny mouse with 2 babies per pregnancy
- Andean gerbil mouse weighting only 28 grams
- Indian bush rat with 4 babies per pregnancy
- Mottled-tailed shrew mouse weighting only 18 grams
- Vinogradov’s jird with 7 babies per pregnancy
Animals that share a litter size with Rudd’s mouse
Those animals also give birth to 4 babies at once:
- Pale gerbil
- Southern African hedgehog
- Dsinezumi shrew
- Siberian zokor
- Ornate shrew
- Spermophilus relictus
- Akodon azarae
- Bush rat
- Lesser Egyptian gerbil
- Smoke-bellied rat
Animals with the same weight as a Rudd’s mouse
What other animals weight around 35 grams (0.08 lbs)?
- Four-toed rice tenrec weighting 35 grams
- Wood lemming weighting 30 grams
- Guatemalan deer mouse weighting 40 grams
- Himalayan water shrew weighting 33 grams
- Black mastiff bat weighting 33 grams
- African giant shrew weighting 33 grams
- Desert mouse weighting 37 grams
- Gray-bellied pencil-tailed tree mouse weighting 28 grams
- Perote mouse weighting 40 grams
- Mittendorf’s striped grass mouse weighting 41 grams
Animals with the same size as a Rudd’s mouse
Also reaching around 9.3 cm (0′ 4″) in size do these animals:
- Swift fruit bat gets as big as 10.4 cm (0′ 5″)
- Woodland vole gets as big as 9.9 cm (0′ 4″)
- Northern hopping mouse gets as big as 10.3 cm (0′ 5″)
- Phillips’s kangaroo rat gets as big as 9.6 cm (0′ 4″)
- Mindanao shrew-rat gets as big as 10.4 cm (0′ 5″)
- Long-nosed Luzon forest mouse gets as big as 10.9 cm (0′ 5″)
- Luzon Cordillera forest mouse gets as big as 10.9 cm (0′ 5″)
- Brazilian shrew mouse gets as big as 10.4 cm (0′ 5″)
- Jamaican fruit bat gets as big as 7.8 cm (0′ 4″)
- Tufted pygmy squirrel gets as big as 8.3 cm (0′ 4″)