How many baby Pallas’s pikas are in a litter?
A Pallas’s pika (Ochotona pallasi) usually gives birth to around 7 babies.With 2 litters per year, that sums up to a yearly offspring of 14 babies.
Each of those little ones spend around 25 days as a fetus before they are released into the wild. Upon birth, they weight 7 grams (0.02 lbs) and measure 5.7 cm (0′ 3″). They are a member of the Ochotonidae family (genus: Ochotona). An adult Pallas’s pika grows up to a size of 8.2 cm (0′ 4″).
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.
Pallas’s pika (Ochotona pallasi), also known as the Mongolian pika, is a species of small mammals in the pika family, Ochotonidae. It is found mainly in the mountains of western Mongolia.
Other animals of the family Ochotonidae
Pallas’s pika is a member of the Ochotonidae, as are these animals:
- Gaoligong pika raching a size of 16.7 cm (0′ 7″)
- Sardinian pika raching a size of 22.5 cm (0′ 9″)
- Afghan pika with 6 babies per pregnancy
- Chinese red pika raching a size of 24.5 cm (0′ 10″)
- Koslov’s pika with 1 babies per pregnancy
- American pika with 2 babies per pregnancy
- Collared pika with 3 babies per pregnancy
- Himalayan pika with 3 babies per pregnancy
- Ladak pika raching a size of 17.7 cm (0′ 7″)
- Northern pika with 4 babies per pregnancy
Animals that share a litter size with Pallas’s pika
Those animals also give birth to 7 babies at once:
- Common opossum
- Ooldea dunnart
- Stolička’s mountain vole
- Little long-tailed dunnart
- Tawny-bellied cotton rat
- European hamster
- Northern Idaho ground squirrel
- Long-tailed planigale
- Arctic fox
- Taiga shrew
Animals that get as old as a Pallas’s pika
Other animals that usually reach the age of 4 years:
- Banded hare-wallaby with 4 years
- Fat-tailed dunnart with 4.25 years
- Botta’s pocket gopher with 4.5 years
- Northern birch mouse with 4 years
- Southern brown bandicoot with 3.75 years
- Lesser mole-rat with 4.5 years
- Lesser mole-rat with 4.5 years
- Raffray’s bandicoot with 3.25 years
- Gray tree rat with 3.75 years
- Lemur-like ringtail possum with 4 years
Animals with the same size as a Pallas’s pika
Also reaching around 8.2 cm (0′ 4″) in size do these animals:
- Mountain tube-nosed fruit bat gets as big as 8.6 cm (0′ 4″)
- Taiwan field mouse gets as big as 9.1 cm (0′ 4″)
- Blue-gray mouse gets as big as 8.8 cm (0′ 4″)
- Roborovski dwarf hamster gets as big as 7.2 cm (0′ 3″)
- Malagasy mouse-eared bat gets as big as 9.5 cm (0′ 4″)
- Eurasian water shrew gets as big as 8.1 cm (0′ 4″)
- Père David’s vole gets as big as 9.3 cm (0′ 4″)
- Least pygmy squirrel gets as big as 8.3 cm (0′ 4″)
- Yellow-winged bat gets as big as 6.7 cm (0′ 3″)
- Laxmann’s shrew gets as big as 6.6 cm (0′ 3″)