How many baby Black-tailed gerbils are in a litter?
A Black-tailed gerbil (Gerbilliscus nigricaudus) usually gives birth to around 4 babies.With 5 litters per year, that sums up to a yearly offspring of 20 babies.
Upon birth, they weight 2 grams (0 lbs) and measure 3.6 cm (0′ 2″). They are a member of the Muridae family (genus: Gerbilliscus). An adult Black-tailed gerbil grows up to a size of 15 cm (0′ 6″).
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 black-tailed gerbil (Gerbilliscus nigricaudus) is a species of gerbil found in Ethiopia, Kenya, Somalia, and Tanzania. Its natural habitats are dry savanna, subtropical or tropical dry shrubland, and arable land.
Other animals of the family Muridae
Black-tailed gerbil is a member of the Muridae, as are these animals:
- White-throated grass mouse weighting only 42 grams
- Long-nosed Luzon forest mouse weighting only 34 grams
- Molina’s grass mouse with 3 babies per pregnancy
- Thomas’s Oldfield mouse weighting only 77 grams
- Grassland mosaic-tailed rat with 2 babies per pregnancy
- Abrothrix jelskii weighting only 34 grams
- Cabrera’s vole weighting only 52 grams
- Social vole with 5 babies per pregnancy
- Tondano rat with 4 babies per pregnancy
- Northern Luzon shrew-rat raching a size of 10.5 cm (0′ 5″)
Animals that share a litter size with Black-tailed gerbil
Those animals also give birth to 4 babies at once:
- White-footed mouse
- Boehm’s gerbil
- Camas pocket gopher
- Woolly dormouse
- Northern pocket gopher
- Lesser short-tailed gerbil
- Bat-eared fox
- Ethiopian white-footed mouse
- California vole
- Tropical pocket gopher
Animals with the same weight as a Black-tailed gerbil
What other animals weight around 123 grams (0.27 lbs)?
- Guianan spear-nosed bat weighting 134 grams
- Australian swamp rat weighting 106 grams
- Jungle palm squirrel weighting 135 grams
- Waterhouse’s swamp rat weighting 146 grams
- Baird’s pocket gopher weighting 136 grams
- Harris’s antelope squirrel weighting 127 grams
- Broad-toothed mouse weighting 125 grams
- Bornean mountain ground squirrel weighting 130 grams
- Dusky spiny tree-rat weighting 108 grams
- Blick’s grass rat weighting 128 grams