How many baby Jackson’s shrews are in a litter?
A Jackson’s shrew (Crocidura jacksoni) usually gives birth to around 3 babies.
Upon birth, they weight 1 grams (0 lbs) and measure 3 cm (0′ 2″). They are a member of the Soricidae family (genus: Crocidura). An adult Jackson’s shrew grows up to a size of 6.4 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.
Jackson’s shrew (Crocidura jacksoni) is a species of mammal in the family Soricidae. It is found in Burundi, Democratic Republic of the Congo, Kenya, Rwanda, South Sudan, and Uganda. Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical moist montane forest, and heavily degraded former forest.
Other animals of the family Soricidae
Jackson’s shrew is a member of the Soricidae, as are these animals:
- Long-tailed musk shrew weighting only 5 grams
- Wimmer’s shrew weighting only 23 grams
- Ussuri shrew weighting only 15 grams
- Luzon shrew weighting only 10 grams
- Saussure’s shrew weighting only 4 grams
- Pacific shrew with 4 babies per pregnancy
- Radde’s shrew with 2 babies per pregnancy
- Crawford’s gray shrew with 3 babies per pregnancy
- Greater red musk shrew with 3 babies per pregnancy
- Babault’s mouse shrew with 2 babies per pregnancy
Animals that share a litter size with Jackson’s shrew
Those animals also give birth to 3 babies at once:
- Flat-headed shrew
- Palmer’s chipmunk
- Little native mouse
- Lesser dwarf shrew
- Rock pocket mouse
- Yellow-throated marten
- Arizona gray squirrel
- Bushy-tailed hairy-footed gerbil
- Northern brown bandicoot
- Transandinomys bolivaris
Animals with the same weight as a Jackson’s shrew
What other animals weight around 7 grams (0.02 lbs)?
- Fulvus roundleaf bat weighting 8 grams
- Little Japanese horseshoe bat weighting 7 grams
- Micronomus weighting 8 grams
- African pygmy mouse weighting 6 grams
- Niceforo’s big-eared bat weighting 8 grams
- Eastern long-fingered bat weighting 7 grams
- Hodgson’s bat weighting 7 grams
- Kuhl’s pipistrelle weighting 6 grams
- Ozimops loriae weighting 7 grams
- Kenyan wattled bat weighting 7 grams