How many baby Silvery mole-rats are in a litter?
A Silvery mole-rat (Heliophobius argenteocinereus) usually gives birth to around 2 babies.With 1 litters per year, that sums up to a yearly offspring of 2 babies.
Each of those little ones spend around 87 days as a fetus before they are released into the wild. Upon birth, they weight 7 grams (0.02 lbs) and measure 3.4 cm (0′ 2″). They are a member of the Bathyergidae family (genus: Heliophobius). An adult Silvery mole-rat grows up to a size of 15.5 cm (0′ 7″).
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 silvery mole-rat, silvery blesmol, or silky mole-rat (Heliophobius argenteocinereus) is a species of mole-rat of East Africa which occurs in southern Kenya, Tanzania, southeastern Democratic Republic of Congo, Mozambique and Malawi. Solitary and aggressive, little is known about its ecology or behavior. It is monotypic in the genus Heliophobius. A common species, the International Union for Conservation of Nature has rated it as being of “least concern”.
Other animals of the family Bathyergidae
Silvery mole-rat is a member of the Bathyergidae, as are these animals:
- Ansell’s mole-rat weighting only 85 grams
- Namaqua dune mole-rat with 3 babies per pregnancy
- Mashona mole-rat with 1 babies per pregnancy
- Damaraland mole-rat with 3 babies per pregnancy
- Naked mole-rat with 11 babies per pregnancy
- Mechow’s mole-rat with 2 babies per pregnancy
- Cape mole-rat with 5 babies per pregnancy
- Ochre mole-rat with 3 babies per pregnancy
- Bocage’s mole-rat weighting only 93 grams
- Common mole-rat with 2 babies per pregnancy
Animals that share a litter size with Silvery mole-rat
Those animals also give birth to 2 babies at once:
- Indian hedgehog
- Pel’s flying squirrel
- Asian particolored bat
- Yunnan hare
- Glacier rat
- Asian black bear
- Collared tuco-tuco
- African marsh rat
- Soft-spined Atlantic spiny rat
- Sonoran woodrat
Animals that get as old as a Silvery mole-rat
Other animals that usually reach the age of 3.08 years:
- Typical striped grass mouse with 2.5 years
- Golden mouse with 2.5 years
- Broad-footed mole with 3 years
- Fat-tailed false antechinus with 3 years
- Long-tailed pocket mouse with 2.5 years
- Small Japanese mole with 3.5 years
- Common vole with 3 years
- Lowland streaked tenrec with 2.67 years
- Dibatag with 3 years
- Southern bog lemming with 2.5 years
Animals with the same weight as a Silvery mole-rat
What other animals weight around 160 grams (0.35 lbs)?
- Palawan spiny rat weighting 159 grams
- White-eared cotton rat weighting 132 grams
- Smoky pocket gopher weighting 150 grams
- Broad-toothed mouse weighting 129 grams
- Nicobar treeshrew weighting 170 grams
- Gray tree rat weighting 150 grams
- Brants’s whistling rat weighting 129 grams
- Molaccan prehensile-tailed rat weighting 148 grams
- Lunda rope squirrel weighting 135 grams
- Western nesomys weighting 155 grams
Animals with the same size as a Silvery mole-rat
Also reaching around 15.5 cm (0′ 7″) in size do these animals:
- Garden dormouse gets as big as 13.8 cm (0′ 6″)
- Central Texas pocket gopher gets as big as 16.5 cm (0′ 7″)
- Red rock rat gets as big as 14.1 cm (0′ 6″)
- Fawn-footed mosaic-tailed rat gets as big as 13.3 cm (0′ 6″)
- Shaw Mayer’s brush mouse gets as big as 14.4 cm (0′ 6″)
- Dorothy’s slender opossum gets as big as 15.2 cm (0′ 6″)
- Small Japanese mole gets as big as 13.9 cm (0′ 6″)
- Pocock’s highland rat gets as big as 12.8 cm (0′ 6″)
- Townsend’s chipmunk gets as big as 13.9 cm (0′ 6″)
- Big-eared climbing rat gets as big as 15.2 cm (0′ 6″)