How many baby Tien Shan red-backed voles are in a litter?
A Tien Shan red-backed vole (Clethrionomys centralis) usually gives birth to around 4 babies.With 10 litters per year, that sums up to a yearly offspring of 40 babies.
Upon birth, they weight 48.5 kg (106.92 lbs) and measure 20 cm (0′ 8″). They are a member of the Muridae family (genus: Clethrionomys). An adult Tien Shan red-backed vole grows up to a size of 9.8 cm (0′ 4″).
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 Tien Shan red-backed vole (Myodes centralis) is a species of rodent in the family Cricetidae.It is found in China and Kyrgyzstan.
Other animals of the family Muridae
Tien Shan red-backed vole is a member of the Muridae, as are these animals:
- Paramo Oldfield mouse weighting only 77 grams
- Oldfield mouse with 3 babies per pregnancy
- Norway lemming with 5 babies per pregnancy
- Turkish hamster with 9 babies per pregnancy
- Unicolored Oldfield mouse weighting only 77 grams
- Spiny Ceram rat weighting only 306 grams
- Ammodile weighting only 50 grams
- Patagonian chinchilla mouse weighting only 75 grams
- Hildegarde’s broad-headed mouse with 5 babies per pregnancy
- Shaw Mayer’s water rat raching a size of 13.1 cm (0′ 6″)
Animals that share a litter size with Tien Shan red-backed vole
Those animals also give birth to 4 babies at once: