How many baby Spiny pocket mouses are in a litter?
A Spiny pocket mouse (Chaetodipus spinatus) usually gives birth to around 2 babies.
Upon birth, they weight 1 grams (0 lbs) and measure 3.6 cm (0′ 2″). They are a member of the Heteromyidae family (genus: Chaetodipus). An adult Spiny pocket mouse grows up to a size of 8.3 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 spiny pocket mouse (Chaetodipus spinatus) is a species of rodent in the family Heteromyidae and order Rodentia. It is found in Baja California in Mexico and in Arizona, California and Nevada in the United States.
Other animals of the family Heteromyidae
Spiny pocket mouse is a member of the Heteromyidae, as are these animals:
- Chisel-toothed kangaroo rat with 2 babies per pregnancy
- Nelson’s spiny pocket mouse weighting only 67 grams
- San Diego pocket mouse with 3 babies per pregnancy
- Little desert pocket mouse with 2 babies per pregnancy
- Great Basin pocket mouse with 4 babies per pregnancy
- Trinidad spiny pocket mouse with 2 babies per pregnancy
- Hispid pocket mouse with 3 babies per pregnancy
- Plains pocket mouse with 4 babies per pregnancy
- White-eared pocket mouse weighting only 23 grams
- Lined pocket mouse weighting only 23 grams
Animals that share a litter size with Spiny pocket mouse
Those animals also give birth to 2 babies at once:
- Mexican harvest mouse
- American pika
- Cape porcupine
- Natal multimammate mouse
- Least groove-toothed swamp rat
- Collie’s squirrel
- Giant white-tailed rat
- African wading rat
- Mexican small-eared shrew
- African civet
Animals with the same weight as a Spiny pocket mouse
What other animals weight around 16 grams (0.04 lbs)?
- Lesser hairy-winged bat weighting 13 grams
- Western bent-winged bat weighting 14 grams
- Flat-skulled shrew weighting 13 grams
- Pale kangaroo mouse weighting 13 grams
- Egyptian free-tailed bat weighting 17 grams
- Sanborn’s bonneted bat weighting 15 grams
- Canyon mouse weighting 16 grams
- Greater long-fingered bat weighting 14 grams
- American water shrew weighting 13 grams
- Sumichrast’s harvest mouse weighting 19 grams
Animals with the same size as a Spiny pocket mouse
Also reaching around 8.3 cm (0′ 4″) in size do these animals:
- Japanese mountain mole gets as big as 9 cm (0′ 4″)
- De Winton’s golden mole gets as big as 9 cm (0′ 4″)
- Lowe’s shrew gets as big as 7 cm (0′ 3″)
- Desert dormouse gets as big as 8.4 cm (0′ 4″)
- Akodon spegazzinii gets as big as 9.9 cm (0′ 4″)
- Usambara shrew gets as big as 7.9 cm (0′ 4″)
- Gray-bellied pencil-tailed tree mouse gets as big as 9.4 cm (0′ 4″)
- Gray spiny mouse gets as big as 8.5 cm (0′ 4″)
- Northwestern deer mouse gets as big as 9.3 cm (0′ 4″)
- New Holland mouse gets as big as 8.2 cm (0′ 4″)