How many baby Siberian flying squirrels are in a litter?
A Siberian flying squirrel (Pteromys volans) 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 28 days as a fetus before they are released into the wild. Upon birth, they weight 17 grams (0.04 lbs) and measure 19.1 cm (0′ 8″). They are a member of the Sciuridae family (genus: Pteromys). An adult Siberian flying squirrel grows up to a size of 16 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 Siberian flying squirrel (Pteromys volans) is an Old World flying squirrel with a range from the Baltic Sea in the west to the Pacific Coast in the east. It is the only species of flying squirrel found in Europe. It is considered vulnerable within the European Union where it is now found only in Estonia, Finland and Latvia out of the 27 countries in the Union.
Other animals of the family Sciuridae
Siberian flying squirrel is a member of the Sciuridae, as are these animals:
- Yellow ground squirrel with 5 babies per pregnancy
- Panamint chipmunk with 4 babies per pregnancy
- Lady Burton’s rope squirrel weighting only 109 grams
- Himalayan striped squirrel with 2 babies per pregnancy
- Variegated squirrel with 5 babies per pregnancy
- Utah prairie dog with 4 babies per pregnancy
- Green bush squirrel with 1 babies per pregnancy
- Smith’s bush squirrel with 2 babies per pregnancy
- Jentink’s flying squirrel weighting only 56 grams
- Gray-cheeked flying squirrel with 2 babies per pregnancy
Animals that share a litter size with Siberian flying squirrel
Those animals also give birth to 2 babies at once:
- Long-nosed echymipera
- Nyctophilus corbeni
- Low’s squirrel
- Chinese mole shrew
- Big Mexican small-eared shrew
- Golden-backed tree-rat
- Eastern common cuscus
- Somali serotine
- Malayan mountain spiny rat
- Target rat
Animals that get as old as a Siberian flying squirrel
Other animals that usually reach the age of 3.75 years:
- Desert hedgehog with 4.5 years
- Northern birch mouse with 4 years
- Bush rat with 3.42 years
- Hylaeamys megacephalus with 3.75 years
- Great Basin pocket mouse with 4 years
- Arctic lemming with 3.75 years
- Dibbler with 3 years
- Sand-colored soft-furred rat with 4 years
- Great gerbil with 4 years
- Common planigale with 4 years
Animals with the same weight as a Siberian flying squirrel
What other animals weight around 143 grams (0.32 lbs)?
- Striped bush squirrel weighting 160 grams
- Masked white-tailed rat weighting 149 grams
- Large-scaled mosaic-tailed rat weighting 117 grams
- Rajah spiny rat weighting 150 grams
- Vinogradov’s jird weighting 117 grams
- Piute ground squirrel weighting 165 grams
- Madras treeshrew weighting 160 grams
- Javanese flying squirrel weighting 156 grams
- Franquet’s epauletted fruit bat weighting 119 grams
- Soft-spined Atlantic spiny rat weighting 167 grams
Animals with the same size as a Siberian flying squirrel
Also reaching around 16 cm (0′ 7″) in size do these animals:
- Lewis’s tuco-tuco gets as big as 17.7 cm (0′ 7″)
- Central Texas pocket gopher gets as big as 16.5 cm (0′ 7″)
- Large-scaled mosaic-tailed rat gets as big as 16.1 cm (0′ 7″)
- Mountain treeshrew gets as big as 18.5 cm (0′ 8″)
- Knox Jones’s pocket gopher gets as big as 15.4 cm (0′ 7″)
- Eastern chipmunk gets as big as 14.6 cm (0′ 6″)
- Green bush squirrel gets as big as 19.1 cm (0′ 8″)
- Dusky bushbaby gets as big as 16 cm (0′ 7″)
- Long-haired rat gets as big as 18.6 cm (0′ 8″)
- Smoky pocket gopher gets as big as 19.2 cm (0′ 8″)