How many baby Great Basin pocket mouses are in a litter?
A Great Basin pocket mouse (Perognathus parvus) usually gives birth to around 4 babies.With 2 litters per year, that sums up to a yearly offspring of 8 babies.
Each of those little ones spend around 23 days as a fetus before they are released into the wild. Upon birth, they weight 1 grams (0 lbs) and measure 1.3 cm (0′ 1″). They are a member of the Heteromyidae family (genus: Perognathus). An adult Great Basin pocket mouse grows up to a size of 8.1 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.
The Great Basin pocket mouse (Perognathus parvus) is a species of rodent in the family Heteromyidae. It is found in British Columbia in Canada and the western United States.
Other animals of the family Heteromyidae
Great Basin pocket mouse is a member of the Heteromyidae, as are these animals:
- Mexican spiny pocket mouse with 4 babies per pregnancy
- Agile kangaroo rat with 2 babies per pregnancy
- Desert kangaroo rat with 3 babies per pregnancy
- Texas kangaroo rat with 2 babies per pregnancy
- Lined pocket mouse weighting only 23 grams
- Pale kangaroo mouse with 3 babies per pregnancy
- California kangaroo rat with 2 babies per pregnancy
- Banner-tailed kangaroo rat with 2 babies per pregnancy
- Hispid pocket mouse with 3 babies per pregnancy
- Spiny pocket mouse with 2 babies per pregnancy
Animals that share a litter size with Great Basin pocket mouse
Those animals also give birth to 4 babies at once:
- Lesser capybara
- Alpine marmot
- Llanos long-nosed armadillo
- Tarbagan marmot
- Gerbil mouse
- Japanese grass vole
- Turkestan rat
- African grass rat
- American mink
- Kemp’s gerbil
Animals that get as old as a Great Basin pocket mouse
Other animals that usually reach the age of 4 years:
- Fat-tailed dunnart with 4.25 years
- Great gerbil with 4 years
- Golden-rumped elephant shrew with 4 years
- Mexican funnel-eared bat with 4.75 years
- Steppe pika with 4 years
- Siberian flying squirrel with 3.75 years
- Southern brown bandicoot with 3.75 years
- Guyenne spiny rat with 4.75 years
- Aders’s duiker with 4 years
- Black myotis with 3.5 years
Animals with the same weight as a Great Basin pocket mouse
What other animals weight around 21 grams (0.05 lbs)?
- Parnell’s mustached bat weighting 19 grams
- Schultz’s round-eared bat weighting 18 grams
- Balochistan gerbil weighting 25 grams
- House mouse weighting 19 grams
- Agile gracile opossum weighting 22 grams
- Pallid bat weighting 22 grams
- Gilbert’s dunnart weighting 19 grams
- Least pygmy squirrel weighting 21 grams
- Thomas’s shrew tenrec weighting 22 grams
- Smoky grass mouse weighting 22 grams
Animals with the same size as a Great Basin pocket mouse
Also reaching around 8.1 cm (0′ 4″) in size do these animals:
- Smith’s shrew gets as big as 8.4 cm (0′ 4″)
- Phillips’s kangaroo rat gets as big as 9.6 cm (0′ 4″)
- Peromyscus maniculatus gets as big as 9.5 cm (0′ 4″)
- San Joaquin pocket mouse gets as big as 7.2 cm (0′ 3″)
- Townsend’s mole gets as big as 8.7 cm (0′ 4″)
- Little native mouse gets as big as 6.7 cm (0′ 3″)
- Goodwin’s broad-clawed shrew gets as big as 9.4 cm (0′ 4″)
- Chestnut dunnart gets as big as 9.2 cm (0′ 4″)
- Northwestern deer mouse gets as big as 9.3 cm (0′ 4″)
- Hoary bat gets as big as 7.5 cm (0′ 3″)