How many baby Trowbridge’s shrews are in a litter?
A Trowbridge’s shrew (Sorex trowbridgii) usually gives birth to around 3 babies.With 2 litters per year, that sums up to a yearly offspring of 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 Trowbridge’s shrew grows up to a size of 6.3 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.
Trowbridge’s shrew (Sorex trowbridgii) is a species of mammal in the family Soricidae. It is found in southern British Columbia in Canada and in Washington, Oregon, and California in the United States.
Other animals of the family Soricidae
Trowbridge’s shrew is a member of the Soricidae, as are these animals:
- Crocidura grandiceps weighting only 23 grams
- Himalayan water shrew weighting only 33 grams
- Chinese mole shrew with 2 babies per pregnancy
- Piebald shrew with 5 babies per pregnancy
- American water shrew with 5 babies per pregnancy
- Goliath shrew weighting only 87 grams
- Dsinezumi shrew with 4 babies per pregnancy
- Greater forest shrew weighting only 16 grams
- Lesser white-toothed shrew with 3 babies per pregnancy
- Whitaker’s shrew weighting only 5 grams
Animals that share a litter size with Trowbridge’s shrew
Those animals also give birth to 3 babies at once:
- Dwarf fat-tailed jerboa
- Abrothrix longipilis
- Texas pocket gopher
- Horsfield’s shrew
- Plains rat
- Irenomys
- Taiwanese brown-toothed shrew
- Fat mouse
- Bushy-tailed hairy-footed gerbil
- Southern big-eared mouse
Animals that get as old as a Trowbridge’s shrew
Other animals that usually reach the age of 1.5 years:
- Brush mouse with 1.5 years
- Common yellow-toothed cavy with 1.75 years
- Ornate shrew with 1.42 years
- Southern marsupial mole with 1.5 years
- Texas mouse with 1.5 years
- Long-tailed planigale with 1.25 years
- Alpine shrew with 1.25 years
- Crawford’s gray shrew with 1.25 years
- Southern red-backed vole with 1.67 years
- Southern red-backed vole with 1.67 years
Animals with the same weight as a Trowbridge’s shrew
What other animals weight around 5 grams (0.01 lbs)?
- Dwarf dog-faced bat weighting 5 grams
- Southern forest bat weighting 5 grams
- Rusty pipistrelle weighting 4 grams
- Paratriaenops furculus weighting 5 grams
- Salenski’s shrew weighting 5 grams
- Painted bat weighting 4 grams
- Little yellow bat weighting 4 grams
- Malayan tailless leaf-nosed bat weighting 6 grams
- Laxmann’s shrew weighting 6 grams
- Chinese pipistrelle weighting 5 grams
Animals with the same size as a Trowbridge’s shrew
Also reaching around 6.3 cm (0′ 3″) in size do these animals:
- Waterhouse’s leaf-nosed bat gets as big as 6.1 cm (0′ 3″)
- Lesser striped shrew gets as big as 6.8 cm (0′ 3″)
- Lesser bulldog bat gets as big as 6.6 cm (0′ 3″)
- Grasse’s shrew gets as big as 6.3 cm (0′ 3″)
- Madagascar sucker-footed bat gets as big as 5.8 cm (0′ 3″)
- Hodgson’s brown-toothed shrew gets as big as 6.5 cm (0′ 3″)
- Alpine shrew gets as big as 6.7 cm (0′ 3″)
- Shinto shrew gets as big as 6.3 cm (0′ 3″)
- Horsfield’s shrew gets as big as 6.4 cm (0′ 3″)
- Mindanao pygmy fruit bat gets as big as 6.4 cm (0′ 3″)