How many baby Round-tailed muskrats are in a litter?
A Round-tailed muskrat (Neofiber alleni) usually gives birth to around 2 babies.With 4 litters per year, that sums up to a yearly offspring of 8 babies.
Each of those little ones spend around 28 days as a fetus before they are released into the wild. Upon birth, they weight 9 grams (0.02 lbs) and measure 3 cm (0′ 2″). They are a member of the Muridae family (genus: Neofiber). An adult Round-tailed muskrat grows up to a size of 19.9 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 round-tailed muskrat (Neofiber alleni) is a species of rodent in the family Cricetidae, sometimes called the Florida water rat. The species is monotypic in the genus Neofiber. It is found only in the southeastern United States, where its natural habitat is swamps.
Other animals of the family Muridae
Round-tailed muskrat is a member of the Muridae, as are these animals:
- Prairie vole with 3 babies per pregnancy
- Alpine woolly rat weighting around 2.04 kilograms (4.5 lbs)
- Unicolored Oldfield mouse weighting only 77 grams
- São Paulo grass mouse weighting only 27 grams
- African wading rat with 2 babies per pregnancy
- Akodon spegazzinii weighting only 28 grams
- Eligmodontia typus with 6 babies per pregnancy
- Northern collared lemming with 4 babies per pregnancy
- Obi mosaic-tailed rat weighting only 71 grams
- Soft grass mouse weighting only 30 grams
Animals that share a litter size with Round-tailed muskrat
Those animals also give birth to 2 babies at once:
- Mayor’s mouse
- Slender rat
- Plateau mouse
- Blanford’s fox
- Black-shouldered opossum
- Cascade golden-mantled ground squirrel
- Eurasian lynx
- Tome’s spiny rat
- Leopard cat
- Marsh rabbit
Animals with the same weight as a Round-tailed muskrat
What other animals weight around 265 grams (0.58 lbs)?
- Senegal bushbaby weighting 216 grams
- Roberto’s spiny rat weighting 284 grams
- Tumbala climbing rat weighting 280 grams
- Strong tuco-tuco weighting 233 grams
- Mentawai squirrel weighting 296 grams
- Hairy Atlantic spiny rat weighting 285 grams
- Yellow-bellied weasel weighting 264 grams
- Squirrel glider weighting 230 grams
- Temotu flying fox weighting 274 grams
- Simons’s spiny rat weighting 284 grams
Animals with the same size as a Round-tailed muskrat
Also reaching around 19.9 cm (0′ 8″) in size do these animals:
- Large-toothed hairy-tailed rat gets as big as 19.5 cm (0′ 8″)
- Himalayan field rat gets as big as 18.2 cm (0′ 8″)
- Long-haired rat gets as big as 18.6 cm (0′ 8″)
- Colombian weasel gets as big as 21.5 cm (0′ 9″)
- Giant golden mole gets as big as 23.4 cm (0′ 10″)
- Black-spined Atlantic tree-rat gets as big as 21.3 cm (0′ 9″)
- Mindanao treeshrew gets as big as 19.5 cm (0′ 8″)
- Maxomys baeodon gets as big as 16.7 cm (0′ 7″)
- Earless water rat gets as big as 19.3 cm (0′ 8″)
- Unstriped ground squirrel gets as big as 22.2 cm (0′ 9″)