How many baby Dwarf shrews are in a litter?
A Dwarf shrew (Sorex nanus) usually gives birth to around 6 babies.
Upon birth, they weight 5 grams (0.01 lbs) and measure 1.6 cm (0′ 1″). They are a member of the Soricidae family (genus: Sorex). An adult Dwarf shrew grows up to a size of 5.2 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 dwarf shrew (Sorex nanus) is a species of mammal in the family Soricidae endemic to Arizona, Colorado, Montana, Nebraska, New Mexico, South Dakota, Utah, and Wyoming in the United States. The type locality is Estes Park (Larimer County), Colorado, USA.
Other animals of the family Soricidae
Dwarf shrew is a member of the Soricidae, as are these animals:
- Himalayan shrew with 4 babies per pregnancy
- Sclater’s shrew weighting only 7 grams
- Southeastern shrew with 3 babies per pregnancy
- Merida small-eared shrew weighting only 12 grams
- Turbo shrew with 2 babies per pregnancy
- American pygmy shrew with 5 babies per pregnancy
- Sahelian tiny shrew weighting only 6 grams
- Chestnut-bellied shrew weighting only 7 grams
- Smoky shrew with 5 babies per pregnancy
- Mediterranean water shrew with 7 babies per pregnancy
Animals that share a litter size with Dwarf shrew
Those animals also give birth to 6 babies at once:
- Arctic shrew
- Siberian weasel
- Harris’s antelope squirrel
- Northern quoll
- Greater bandicoot rat
- Eurasian pygmy shrew
- Siberian brown lemming
- New Guinean quoll
- Muskrat
- Uinta chipmunk
Animals with the same weight as a Dwarf shrew
What other animals weight around 2 grams (0 lbs)?
- Pipistrellus mimus weighting 2 grams
- Mauritanian shrew weighting 2 grams
- Nyctophilus geoffroyi weighting 2 grams
- Desert pipistrelle weighting 2 grams
- Himalayan whiskered bat weighting 2 grams
- Arizona shrew weighting 2 grams
- Etruscan shrew weighting 2 grams
- Eurasian least shrew weighting 2 grams
- Madagascan pygmy shrew weighting 2 grams
- Borneo roundleaf bat weighting 2 grams
Animals with the same size as a Dwarf shrew
Also reaching around 5.2 cm (0′ 3″) in size do these animals:
- Fat mouse gets as big as 5.8 cm (0′ 3″)
- Merriam’s pocket mouse gets as big as 5.8 cm (0′ 3″)
- Allen’s big-eared bat gets as big as 5.9 cm (0′ 3″)
- Townsend’s big-eared bat gets as big as 5.7 cm (0′ 3″)
- Panamint kangaroo rat gets as big as 6 cm (0′ 3″)
- Whitaker’s shrew gets as big as 6.1 cm (0′ 3″)
- Cinereus shrew gets as big as 5.7 cm (0′ 3″)
- Daubenton’s bat gets as big as 4.4 cm (0′ 2″)
- Peters’s sheath-tailed bat gets as big as 5.7 cm (0′ 3″)
- Johnston’s forest shrew gets as big as 5.3 cm (0′ 3″)