How many baby Oligoryzomys nigripess are in a litter?
A Oligoryzomys nigripes (Oligoryzomys nigripes) usually gives birth to around 3 babies.
Upon birth, they weight 18.36 kg (40.48 lbs) and measure 5.7 cm (0′ 3″). They are a member of the Muridae family (genus: Oligoryzomys). An adult Oligoryzomys nigripes grows up to a size of 6.1 cm (0′ 3″).
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.
Oligoryzomys nigripes, also known as the black-footed colilargo or the black-footed pygmy rice rat, is a rodent in the genus Oligoryzomys of family Cricetidae. Oligoryzomys nigripes is a species that has been further divided into different sister taxa throughout history.It is found in different countries in South America. It is a large species with long ears, dark yellow to dark brown upperparts, sharply delimited from the whitish underparts, and often a pink girdle on the chest. This species of rat spends much of its life among the trees. The karyotype is 2n = 62, FNa = 78–82.
Other animals of the family Muridae
Oligoryzomys nigripes is a member of the Muridae, as are these animals:
- Bunny rat with 3 babies per pregnancy
- Yellow-rumped leaf-eared mouse weighting only 53 grams
- Pygmy gerbil with 4 babies per pregnancy
- Great Key Island giant rat raching a size of 27.5 cm (0′ 11″)
- Allen’s woodrat with 1 babies per pregnancy
- Alpine woolly rat weighting around 2.04 kilograms (4.5 lbs)
- Aquatic rat weighting only 66 grams
- Arctic lemming with 3 babies per pregnancy
- Lesser small-toothed rat raching a size of 15.8 cm (0′ 7″)
- Komodo rat raching a size of 16.9 cm (0′ 7″)
Animals that share a litter size with Oligoryzomys nigripes
Those animals also give birth to 3 babies at once:
- Stein’s rat
- Desert mouse
- Capybara
- Irenomys
- Acacia rat
- Alpine pine vole
- European pine marten
- Asian house shrew
- Black-eared mouse
- Swamp musk shrew
Animals with the same weight as a Oligoryzomys nigripes
What other animals weight around 20 grams (0.04 lbs)?
- Oligoryzomys chacoensis weighting 23 grams
- Tickell’s bat weighting 16 grams
- Sonoran harvest mouse weighting 20 grams
- Bogotá yellow-shouldered bat weighting 19 grams
- Railer bat weighting 22 grams
- Javan slit-faced bat weighting 17 grams
- California pocket mouse weighting 23 grams
- One-toothed shrew mouse weighting 21 grams
- Lesser long-nosed bat weighting 22 grams
- Ghost-faced bat weighting 16 grams
Animals with the same size as a Oligoryzomys nigripes
Also reaching around 6.1 cm (0′ 3″) in size do these animals:
- Arizona shrew gets as big as 5.8 cm (0′ 3″)
- Tien Shan shrew gets as big as 6.5 cm (0′ 3″)
- Southern short-tailed shrew gets as big as 7.3 cm (0′ 3″)
- Cuban flower bat gets as big as 6.3 cm (0′ 3″)
- Hodgson’s brown-toothed shrew gets as big as 6.4 cm (0′ 3″)
- Japanese dormouse gets as big as 7.2 cm (0′ 3″)
- Long-tailed brown-toothed shrew gets as big as 6.6 cm (0′ 3″)
- Ghost-faced bat gets as big as 6.6 cm (0′ 3″)
- Alpine shrew gets as big as 6.7 cm (0′ 3″)
- Lesser striped shrew gets as big as 6.8 cm (0′ 3″)