How many baby Dark-tailed tree rats are in a litter?
A Dark-tailed tree rat (Niviventer cremoriventer) usually gives birth to around 3 babies.
Upon birth, they weight 499 grams (1.1 lbs) and measure 2.3 cm (0′ 1″). They are a member of the Muridae family (genus: Niviventer). An adult Dark-tailed tree rat grows up to a size of 15.9 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 dark-tailed tree rat or Sundaic arboreal niviventer (Niviventer cremoriventer) is a species of rodent in the family Muridae. It is found on the Malay Peninsula (Thailand, Malaysia), including some offshore islands (Myanmar: Mergui Archipelago), and in parts of the Malay Archipelago (Singapore; Indonesia: Anambas Islands, Sumatra, Nias, Belitung (=Billiton), Bangka Island, Java, Bali; Borneo and some its offshore islands). It might be a species complex.Dark-tailed tree rat is a common species that lives both arboreally and on the ground in primary forest habitats and also secondary wooded habitats, but not outside forests. Such habitats are being lost, especially in the lowland areas, representing a threat to this species.
Other animals of the family Muridae
Dark-tailed tree rat is a member of the Muridae, as are these animals:
- Major’s tufted-tailed rat weighting only 100 grams
- Luzon Cordillera forest mouse weighting only 34 grams
- Western New Guinea mountain rat raching a size of 13.1 cm (0′ 6″)
- Hairy harvest mouse with 3 babies per pregnancy
- Oecomys concolor with 1 babies per pregnancy
- Southern Plains woodrat with 2 babies per pregnancy
- Kalinowski’s Oldfield mouse weighting only 77 grams
- Pocock’s highland rat raching a size of 12.8 cm (0′ 6″)
- Cochabamba grass mouse weighting only 34 grams
- Arizona cotton rat weighting only 198 grams
Animals that share a litter size with Dark-tailed tree rat
Those animals also give birth to 3 babies at once:
- San Diego pocket mouse
- Cape golden mole
- Vancouver Island marmot
- Bicolored shrew
- Juniper vole
- Monito del monte
- Japanese mole
- Numbat
- Ring-tailed cat
- Fulvous harvest mouse
Animals with the same weight as a Dark-tailed tree rat
What other animals weight around 71 grams (0.16 lbs)?
- Low’s squirrel weighting 85 grams
- Pygmy treeshrew weighting 70 grams
- Red-bellied mosaic-tailed rat weighting 78 grams
- Hainan gymnure weighting 58 grams
- Van Deusen’s rat weighting 67 grams
- Madagascan rousette weighting 65 grams
- Robert’s hocicudo weighting 83 grams
- Andean mouse weighting 69 grams
- Patagonian chinchilla mouse weighting 75 grams
- Aegialomys galapagoensis weighting 63 grams
Animals with the same size as a Dark-tailed tree rat
Also reaching around 15.9 cm (0′ 7″) in size do these animals:
- Red-bellied mosaic-tailed rat gets as big as 14.2 cm (0′ 6″)
- Gansu pika gets as big as 13.4 cm (0′ 6″)
- Thomas’s mosaic-tailed rat gets as big as 14.5 cm (0′ 6″)
- Kimberley rock rat gets as big as 14.6 cm (0′ 6″)
- Lowland streaked tenrec gets as big as 17.5 cm (0′ 7″)
- Siskiyou chipmunk gets as big as 14.5 cm (0′ 6″)
- Rajah spiny rat gets as big as 16.7 cm (0′ 7″)
- Pale field rat gets as big as 15.1 cm (0′ 6″)
- Congo rope squirrel gets as big as 14.7 cm (0′ 6″)
- New Guinean rat gets as big as 17.7 cm (0′ 7″)