How many baby Sikkim rats are in a litter?
A Sikkim rat (Rattus sikkimensis) usually gives birth to around 9 babies.
Upon birth, they weight 4 grams (0.01 lbs) and measure 4.2 cm (0′ 2″). They are a member of the Muridae family (genus: Rattus). An adult Sikkim rat grows up to a size of 18.9 cm (0′ 8″).
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 Sikkim rat (Rattus andamanensis) is a species of rodent in the family Muridae.It is found in Bhutan, Cambodia, China, India, Laos, Myanmar, Nepal, Thailand, and Vietnam. The rat’s coloring is brownish upperparts and a white underside
Other animals of the family Muridae
Sikkim rat is a member of the Muridae, as are these animals:
- Little Indian field mouse with 5 babies per pregnancy
- Diminutive woodrat weighting only 80 grams
- Maximowicz’s vole with 6 babies per pregnancy
- Delicate vesper mouse weighting only 13 grams
- Savanna gerbil with 3 babies per pregnancy
- One-toothed shrew mouse weighting only 21 grams
- Greater bandicoot rat with 6 babies per pregnancy
- Chiapan deer mouse with 1 babies per pregnancy
- Lesser Wilfred’s mouse weighting only 22 grams
- White-tailed rat with 3 babies per pregnancy
Animals that share a litter size with Sikkim rat
Those animals also give birth to 9 babies at once:
- Ricefield rat
- Steppe polecat
- Ciscaucasian hamster
- Texas antelope squirrel
- Robinson’s mouse opossum
- Turkish hamster
- Franklin’s ground squirrel
Animals with the same size as a Sikkim rat
Also reaching around 18.9 cm (0′ 8″) in size do these animals:
- Allen’s cotton rat gets as big as 17 cm (0′ 7″)
- Russian desman gets as big as 20.3 cm (0′ 8″)
- Lorentz’s mosaic-tailed rat gets as big as 16.6 cm (0′ 7″)
- Stein’s rat gets as big as 17.1 cm (0′ 7″)
- Bryant’s woodrat gets as big as 20.9 cm (0′ 9″)
- Himalayan field rat gets as big as 18.2 cm (0′ 8″)
- Dusky bushbaby gets as big as 16 cm (0′ 7″)
- Ladak pika gets as big as 17.7 cm (0′ 7″)
- Northern flying squirrel gets as big as 16.1 cm (0′ 7″)
- Halmahera naked-backed fruit bat gets as big as 17.8 cm (0′ 8″)