How many baby Western mouses are in a litter?
A Western mouse (Pseudomys occidentalis) usually gives birth to around 3 babies.
Upon birth, they weight 1 grams (0 lbs) and measure 19.1 cm (0′ 8″). They are a member of the Muridae family (genus: Pseudomys). An adult Western mouse grows up to a size of 10.2 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 western mouse or walyadji refers to Pseudomys occidentalis, a species of rodent in the family Muridae. Once widespread across a larger range, it has become restricted to around ten reserves of remnant bushland in Southwest Australia and declared near threatened by extinction. They are small and robust mice that live in burrows in sandy soil, venturing out at night to forage in nearby area.
Other animals of the family Muridae
Western mouse is a member of the Muridae, as are these animals:
- Philippine forest rat weighting only 253 grams
- Thomas’s mosaic-tailed rat with 1 babies per pregnancy
- Long-tailed dwarf hamster with 5 babies per pregnancy
- Nicaraguan harvest mouse raching a size of 7.1 cm (0′ 3″)
- Brush-tailed rabbit rat with 2 babies per pregnancy
- Pleasant bolo mouse weighting only 27 grams
- Oligoryzomys nigripes with 3 babies per pregnancy
- Bartels’s spiny rat weighting only 88 grams
- Bush rat with 4 babies per pregnancy
- Narrow-headed vole with 8 babies per pregnancy
Animals that share a litter size with Western mouse
Those animals also give birth to 3 babies at once:
- Hairy harvest mouse
- Mountain pygmy possum
- Stein’s rat
- Smoky white-toothed shrew
- Crab-eating fox
- Woodland dormouse
- Bahamian raccoon
- Bailey’s pocket mouse
- Monito del monte
- Broad-striped dasyure
Animals with the same weight as a Western mouse
What other animals weight around 34 grams (0.07 lbs)?
- Merriam’s kangaroo rat weighting 37 grams
- Blackish deer mouse weighting 32 grams
- Montane wood mouse weighting 36 grams
- Dragon tube-nosed fruit bat weighting 30 grams
- Chinanteco deer mouse weighting 40 grams
- Natal multimammate mouse weighting 30 grams
- Greater false vampire bat weighting 39 grams
- Abrothrix jelskii weighting 34 grams
- Intelligent grass mouse weighting 28 grams
- Theobald’s tomb bat weighting 36 grams
Animals with the same size as a Western mouse
Also reaching around 10.2 cm (0′ 5″) in size do these animals:
- Rümmler’s brush mouse gets as big as 10.1 cm (0′ 4″)
- Silky mouse gets as big as 8.3 cm (0′ 4″)
- Salvin’s spiny pocket mouse gets as big as 10.8 cm (0′ 5″)
- Bailey’s pocket mouse gets as big as 9.4 cm (0′ 4″)
- Ghost bat gets as big as 11.5 cm (0′ 5″)
- Western red-backed vole gets as big as 9.8 cm (0′ 4″)
- Marsh shrew gets as big as 8.5 cm (0′ 4″)
- Smith’s shrew gets as big as 8.4 cm (0′ 4″)
- Northern gracile opossum gets as big as 9.9 cm (0′ 4″)
- Four-striped grass mouse gets as big as 10.8 cm (0′ 5″)