How many baby Olive grass mouses are in a litter?
A Olive grass mouse (Abrothrix olivaceus) usually gives birth to around 5 babies.With 2 litters per year, that sums up to a yearly offspring of 10 babies.
Upon birth, they weight 3 grams (0.01 lbs) and measure 1.7 cm (0′ 1″). They are a member of the Cricetidae family (genus: Abrothrix). An adult Olive grass mouse grows up to a size of 9.6 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.
Abrothrix olivaceus, also known as the olive grass mouse or olive akodont, is a species of rodent in the genus Abrothrix of family Cricetidae. It is found from northern Chile into southern Chile and Argentina, including the islands of Tierra del Fuego. It is prone to large swings in population size.
Other animals of the family Cricetidae
Olive grass mouse is a member of the Cricetidae, as are these animals:
- Big-eared woodrat weighting only 225 grams
- Córdoba vesper mouse weighting only 49 grams
- Northern red-backed vole with 5 babies per pregnancy
- Allegheny woodrat with 2 babies per pregnancy
- Abrothrix longipilis with 3 babies per pregnancy
- Abrothrix jelskii weighting only 34 grams
- Hylaeamys megacephalus with 3 babies per pregnancy
- Rufous-bellied bolo mouse weighting only 32 grams
- Altiplano grass mouse weighting only 20 grams
- Aegialomys xanthaeolus weighting only 79 grams
Animals that share a litter size with Olive grass mouse
Those animals also give birth to 5 babies at once:
- Wood mouse
- Cliff chipmunk
- Sagebrush vole
- Rock dormouse
- Small vesper mouse
- Lesser fat-tailed jerboa
- Speckled ground squirrel
- Dark bolo mouse
- Tate’s woolly mouse opossum
- European rabbit
Animals that get as old as a Olive grass mouse
Other animals that usually reach the age of 1 years:
- Myosorex varius with 1 years
- Northern red-sided opossum with 1 years
- Meadow vole with 0.92 years
- Crowned shrew with 1.08 years
- Yellow-sided opossum with 1 years
- Eastern rock elephant shrew with 1.08 years
- Olive grass mouse with 1 years
- Wood lemming with 1 years
- Hottentot golden mole with 1 years
Animals with the same weight as a Olive grass mouse
What other animals weight around 24 grams (0.05 lbs)?
- Greater mouse-tailed bat weighting 28 grams
- Cozumel harvest mouse weighting 20 grams
- Palawan pencil-tailed tree mouse weighting 28 grams
- Akodon affinis weighting 24 grams
- Campbell’s dwarf hamster weighting 27 grams
- Oligoryzomys fulvescens weighting 25 grams
- Northern yellow bat weighting 22 grams
- Yellow steppe lemming weighting 26 grams
- Eastern false pipistrelle weighting 22 grams
- Bank vole weighting 20 grams
Animals with the same size as a Olive grass mouse
Also reaching around 9.6 cm (0′ 4″) in size do these animals:
- Sandstone false antechinus gets as big as 9.6 cm (0′ 4″)
- Mountain mosaic-tailed rat gets as big as 11.5 cm (0′ 5″)
- Canyon mouse gets as big as 8.2 cm (0′ 4″)
- Heermann’s kangaroo rat gets as big as 11.1 cm (0′ 5″)
- New Guinean jumping mouse gets as big as 8.1 cm (0′ 4″)
- Western chestnut mouse gets as big as 10.1 cm (0′ 4″)
- Chinese water shrew gets as big as 10.2 cm (0′ 5″)
- Common fat-tailed mouse opossum gets as big as 9.4 cm (0′ 4″)
- Black-eared squirrel gets as big as 9.5 cm (0′ 4″)
- False water rat gets as big as 11.3 cm (0′ 5″)