How many baby Montane voles are in a litter?
A Montane vole (Microtus montanus) usually gives birth to around 5 babies.With 4 litters per year, that sums up to a yearly offspring of 20 babies.
Each of those little ones spend around 21 days as a fetus before they are released into the wild. Upon birth, they weight 3 grams (0.01 lbs) and measure 1.8 cm (0′ 1″). They are a member of the Muridae family (genus: Microtus). An adult Montane vole grows up to a size of 12.4 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 montane vole (Microtus montanus) is a species of vole native to the western United States and Canada.
Other animals of the family Muridae
Montane vole is a member of the Muridae, as are these animals:
- Oligoryzomys microtis weighting only 22 grams
- Temchuk’s bolo mouse weighting only 47 grams
- Taiwan vole with 1 babies per pregnancy
- Western white-eared giant rat with 1 babies per pregnancy
- Gray-tailed vole with 4 babies per pregnancy
- Osgood’s leaf-eared mouse weighting only 45 grams
- Microryzomys minutus weighting only 13 grams
- Sulawesi giant rat weighting only 325 grams
- African groove-toothed rat with 4 babies per pregnancy
- Short-tailed bandicoot rat with 4 babies per pregnancy
Animals that share a litter size with Montane vole
Those animals also give birth to 5 babies at once:
- Edible dormouse
- Pygmy rabbit
- Siberian chipmunk
- Spectacled dormouse
- Dalton’s mouse
- American water shrew
- Southern red-backed vole
- Lesser fat-tailed jerboa
- Marbled polecat
- European rabbit
Animals with the same weight as a Montane vole
What other animals weight around 42 grams (0.09 lbs)?
- Abrothrix longipilis weighting 38 grams
- Gracile tateril weighting 49 grams
- Saunder’s vlei rat weighting 34 grams
- Woolly horseshoe bat weighting 34 grams
- Lesser musky fruit bat weighting 47 grams
- Pseudoryzomys weighting 45 grams
- Himalayan striped squirrel weighting 45 grams
- Rupp’s mouse weighting 48 grams
- Dorothy’s slender opossum weighting 37 grams
- Comoro rousette weighting 45 grams
Animals with the same size as a Montane vole
Also reaching around 12.4 cm (0′ 5″) in size do these animals:
- Flat-headed vole gets as big as 11.7 cm (0′ 5″)
- Banner-tailed kangaroo rat gets as big as 14.1 cm (0′ 6″)
- Gleaning mouse gets as big as 10.2 cm (0′ 5″)
- Thomas’s mosaic-tailed rat gets as big as 14.3 cm (0′ 6″)
- Voalavoanala gets as big as 14.2 cm (0′ 6″)
- Least forest mouse gets as big as 10.9 cm (0′ 5″)
- Small Japanese mole gets as big as 13.9 cm (0′ 6″)
- Long-nosed short-tailed opossum gets as big as 13.9 cm (0′ 6″)
- Yellow-spotted brush-furred rat gets as big as 12.2 cm (0′ 5″)
- Eastern mole gets as big as 12.5 cm (0′ 5″)