How many baby Baluchistan pygmy jerboas are in a litter?
A Baluchistan pygmy jerboa (Salpingotulus michaelis) usually gives birth to around 3 babies.
Upon birth, they weight 4 grams (0.01 lbs) and measure 1.7 cm (0′ 1″). They are a member of the Dipodidae family (genus: Salpingotulus). An adult Baluchistan pygmy jerboa grows up to a size of 64.7 cm (2′ 2″).
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 Baluchistan pygmy jerboa, or the dwarf three-toed jerboa, (Salpingotulus michaelis) is a species of rodent in the family Dipodidae. It is the only species in the genus Salpingotulus. Adults average only 4.4 cm (1.7 in) in head and body length, with the tail averaging 8 cm (3.1 in). Adult females weigh 3.75 g (0.132 oz). It is currently considered to be endemic to Pakistan. In the 1999 Guinness Book of Records, it was listed as tied for the smallest rodent in the world with the African pygmy mouse.
Other animals of the family Dipodidae
Baluchistan pygmy jerboa is a member of the Dipodidae, as are these animals:
- Lichtenstein’s jerboa with 2 babies per pregnancy
- Altai birch mouse with 3 babies per pregnancy
- Dwarf fat-tailed jerboa with 3 babies per pregnancy
- Pacific jumping mouse with 5 babies per pregnancy
- Great jerboa with 3 babies per pregnancy
- Four-toed jerboa weighting only 52 grams
- Small five-toed jerboa with 4 babies per pregnancy
- Blanford’s jerboa with 3 babies per pregnancy
- Meadow jumping mouse with 5 babies per pregnancy
- Northern birch mouse with 4 babies per pregnancy
Animals that share a litter size with Baluchistan pygmy jerboa
Those animals also give birth to 3 babies at once: