How many baby Fresno kangaroo rats are in a litter?
A Fresno kangaroo rat (Dipodomys nitratoides) usually gives birth to around 2 babies.
Each of those little ones spend around 32 days as a fetus before they are released into the wild. Upon birth, they weight 2 grams (0 lbs) and measure 27.5 cm (0′ 11″). They are a member of the Heteromyidae family (genus: Dipodomys). An adult Fresno kangaroo rat grows up to a size of 9.7 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 Fresno kangaroo rat or San Joaquin kangaroo rat (Dipodomys nitratoides) is a species of rodent in the family Heteromyidae. It is endemic to areas within and near the San Joaquin Valley of California in the United States. Habitat destruction due to agricultural development and urbanization has put this species at risk, and the International Union for Conservation of Nature has assessed its conservation status as “vulnerable”.There are three subspecies of D. nitratoides:D. n. exilis (Merriam, 1894) (Fresno subspecies),D. n. nitratoides (Merriam, 1894) (Tipton subspecies),D. n. brevinasus (Grinnell, 1920) (short-nose subspecies).
Other animals of the family Heteromyidae
Fresno kangaroo rat is a member of the Heteromyidae, as are these animals:
- Desmarest’s spiny pocket mouse with 3 babies per pregnancy
- Desert kangaroo rat with 3 babies per pregnancy
- Panamanian spiny pocket mouse with 3 babies per pregnancy
- California pocket mouse with 4 babies per pregnancy
- Little desert pocket mouse with 2 babies per pregnancy
- Phillips’s kangaroo rat with 2 babies per pregnancy
- Goldman’s spiny pocket mouse weighting only 85 grams
- Ord’s kangaroo rat with 2 babies per pregnancy
- Trinidad spiny pocket mouse with 2 babies per pregnancy
- Narrow-faced kangaroo rat with 1 babies per pregnancy
Animals that share a litter size with Fresno kangaroo rat
Those animals also give birth to 2 babies at once:
- Javanese flying squirrel
- Jaguarundi
- Giant otter shrew
- Eastern barred bandicoot
- Giant otter
- Shaw Mayer’s brush mouse
- Cape ground squirrel
- Dusky-footed woodrat
- Moupin pika
- Yellow-faced pocket gopher
Animals with the same weight as a Fresno kangaroo rat
What other animals weight around 41 grams (0.09 lbs)?
- Chihuahuan mouse weighting 40 grams
- Cameroon soft-furred mouse weighting 41 grams
- Grayish mouse opossum weighting 47 grams
- Flat-faced fruit-eating bat weighting 47 grams
- Gracile tateril weighting 49 grams
- Talazac’s shrew tenrec weighting 45 grams
- Zempoaltépec vole weighting 42 grams
- Large Japanese field mouse weighting 43 grams
- Red-cheeked dunnart weighting 35 grams
- Verreaux’s mouse weighting 41 grams
Animals with the same size as a Fresno kangaroo rat
Also reaching around 9.7 cm (0′ 4″) in size do these animals:
- Yellow golden mole gets as big as 10 cm (0′ 4″)
- Moss-forest rat gets as big as 11.5 cm (0′ 5″)
- American shrew mole gets as big as 7.8 cm (0′ 4″)
- Swift fruit bat gets as big as 10.4 cm (0′ 5″)
- Juliana’s golden mole gets as big as 10 cm (0′ 4″)
- Rufous mouse opossum gets as big as 10.8 cm (0′ 5″)
- Typical striped grass mouse gets as big as 10.2 cm (0′ 5″)
- Panamint chipmunk gets as big as 11.6 cm (0′ 5″)
- Gaumer’s spiny pocket mouse gets as big as 11.6 cm (0′ 5″)
- Pallas’s pika gets as big as 8.2 cm (0′ 4″)