How many baby Cinereus shrews are in a litter?
A Cinereus shrew (Sorex cinereus) usually gives birth to around 6 babies.
Each of those little ones spend around 18 days as a fetus before they are released into the wild. Upon birth, they weight 90 grams (0.2 lbs) and measure 2.5 cm (0′ 1″). They are a member of the Soricidae family (genus: Sorex). An adult Cinereus shrew grows up to a size of 5.7 cm (0′ 3″).
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 cinereous shrew or masked shrew (Sorex cinereus) is a small shrew found in Alaska, Canada, and the northern United States. This is the most widely distributed shrew in North America, where it is also known as the common shrew.
Other animals of the family Soricidae
Cinereus shrew is a member of the Soricidae, as are these animals:
- Blackish white-toothed shrew with 3 babies per pregnancy
- Southern short-tailed shrew with 3 babies per pregnancy
- Laxmann’s shrew with 7 babies per pregnancy
- Fox’s shrew with 1 babies per pregnancy
- Grant’s forest shrew with 1 babies per pregnancy
- Climbing shrew with 1 babies per pregnancy
- Buettikofer’s shrew with 2 babies per pregnancy
- Crawford’s gray shrew with 3 babies per pregnancy
- Hero shrew with 1 babies per pregnancy
- Hildegarde’s shrew weighting only 10 grams
Animals that share a litter size with Cinereus shrew
Those animals also give birth to 6 babies at once:
- Greater bandicoot rat
- Chinese striped hamster
- Arctic shrew
- Bobak marmot
- Alaskan hare
- Dwarf shrew
- Harris’s antelope squirrel
- North American brown lemming
- Siberian brown lemming
- Townsend’s pocket gopher
Animals that get as old as a Cinereus shrew
Other animals that usually reach the age of 1.92 years:
- Malabar spiny dormouse with 1.67 years
- Long-tailed giant rat with 2 years
- Tundra vole with 1.75 years
- Common shrew with 2 years
- Vagrant shrew with 2.08 years
- Hoary bat with 2.08 years
- Laxmann’s shrew with 2 years
- Mediterranean water shrew with 2 years
- Southern red-backed vole with 1.67 years
- Mongolian gerbil with 2 years
Animals with the same weight as a Cinereus shrew
What other animals weight around 4 grams (0.01 lbs)?
- Indian pipistrelle weighting 4 grams
- Beccari’s sheath-tailed bat weighting 4 grams
- Slender shrew weighting 4 grams
- Little yellow bat weighting 4 grams
- Maclaud’s horseshoe bat weighting 4 grams
- Lesser horseshoe bat weighting 4 grams
- Proboscis bat weighting 4 grams
- North American least shrew weighting 4 grams
- Yellow-lipped bat weighting 4 grams
- Light-winged lesser house bat weighting 4 grams
Animals with the same size as a Cinereus shrew
Also reaching around 5.7 cm (0′ 3″) in size do these animals:
- Seychelles sheath-tailed bat gets as big as 6 cm (0′ 3″)
- Tien Shan shrew gets as big as 6.5 cm (0′ 3″)
- Lesser ranee mouse gets as big as 6.5 cm (0′ 3″)
- Natal multimammate mouse gets as big as 6 cm (0′ 3″)
- Grasse’s shrew gets as big as 6.3 cm (0′ 3″)
- Serotine bat gets as big as 6.8 cm (0′ 3″)
- Lesser mouse-tailed bat gets as big as 5.9 cm (0′ 3″)
- Bates’s shrew gets as big as 6.8 cm (0′ 3″)
- Bicolored musk shrew gets as big as 6 cm (0′ 3″)
- Fringed myotis gets as big as 5.2 cm (0′ 3″)