How many baby Glacier rats are in a litter?
A Glacier rat (Stenomys richardsoni) usually gives birth to around 2 babies.
Upon birth, they weight 7 grams (0.02 lbs) and measure 4.5 cm (0′ 2″). They are a member of the Muridae family (genus: Stenomys). An adult Glacier rat grows up to a size of 12.8 cm (0′ 6″).
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 glacier rat (Rattus richardsoni) is a species of rodent in the family Muridae. It is endemic to the New Guinea Highlands near Puncak Trikora (=Mt. Wilhelmina) and Puncak Jaya (=Carstensz Pyramid), West Papua, Indonesia. Its altitudinal range is 3,225–4,500 m (10,581–14,764 ft) above sea level.
Other animals of the family Muridae
Glacier rat is a member of the Muridae, as are these animals:
- Djoongari with 3 babies per pregnancy
- Giant white-tailed rat with 2 babies per pregnancy
- Eastern chestnut mouse with 2 babies per pregnancy
- Ammodile weighting only 50 grams
- Tropical vlei rat with 1 babies per pregnancy
- Pearson’s chaco mouse weighting only 25 grams
- Tundra vole with 5 babies per pregnancy
- New Britain water rat raching a size of 29.2 cm (1′ 0″)
- Dolorous grass mouse with 3 babies per pregnancy
- Pinyon mouse with 3 babies per pregnancy
Animals that share a litter size with Glacier rat
Those animals also give birth to 2 babies at once:
- Cape gray mongoose
- Spix’s yellow-toothed cavy
- Sikkim mountain vole
- Lichtenstein’s jerboa
- Mountain beaver
- Kodkod
- Black-tailed mosaic-tailed rat
- Florida mouse
- Duthie’s golden mole
- Gobi jerboa
Animals with the same weight as a Glacier rat
What other animals weight around 66 grams (0.15 lbs)?
- Guinea multimammate mouse weighting 64 grams
- Plains rat weighting 53 grams
- Oecomys rutilus weighting 73 grams
- Stephens’s kangaroo rat weighting 68 grams
- Kemp’s thicket rat weighting 75 grams
- Euryoryzomys lamia weighting 60 grams
- Patagonian opossum weighting 78 grams
- Hylaeamys megacephalus weighting 57 grams
- Ethiopian epauletted fruit bat weighting 66 grams
- Ungava collared lemming weighting 57 grams
Animals with the same size as a Glacier rat
Also reaching around 12.8 cm (0′ 6″) in size do these animals:
- Himalayan striped squirrel gets as big as 10.4 cm (0′ 5″)
- Low’s squirrel gets as big as 13.7 cm (0′ 6″)
- Rossel Island melomys gets as big as 13.9 cm (0′ 6″)
- European mole gets as big as 12.9 cm (0′ 6″)
- Prince Demidoff’s bushbaby gets as big as 12 cm (0′ 5″)
- Somali hedgehog gets as big as 12.9 cm (0′ 6″)
- Big-eared kangaroo rat gets as big as 12.7 cm (0′ 5″)
- Lesser tufted-tailed rat gets as big as 12.8 cm (0′ 6″)
- Texas antelope squirrel gets as big as 15.2 cm (0′ 6″)
- Florida mouse gets as big as 10.4 cm (0′ 5″)