How many baby Southern bog lemmings are in a litter?
A Southern bog lemming (Synaptomys cooperi) usually gives birth to around 3 babies.With 2 litters per year, that sums up to a yearly offspring of 6 babies.
Each of those little ones spend around 23 days as a fetus before they are released into the wild. Upon birth, they weight 3 grams (0.01 lbs) and measure 11.2 cm (0′ 5″). They are a member of the Muridae family (genus: Synaptomys). An adult Southern bog lemming grows up to a size of 10.5 cm (0′ 5″).
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 southern bog lemming (Synaptomys cooperi) is a small North American lemming. Its range overlaps with the other species in genus Synaptomys, the northern bog lemming, in southeastern Canada, but extends further south.
Other animals of the family Muridae
Southern bog lemming is a member of the Muridae, as are these animals:
- Ivory Coast rat weighting only 52 grams
- Oreoryzomys weighting only 60 grams
- Akodon sylvanus weighting only 39 grams
- Lesser bamboo rat with 2 babies per pregnancy
- Brush-tailed rabbit rat with 2 babies per pregnancy
- Red tree vole with 2 babies per pregnancy
- Himalayan field rat with 3 babies per pregnancy
- Western chestnut mouse with 3 babies per pregnancy
- Bolivian big-eared mouse with 3 babies per pregnancy
- Gray-bellied pencil-tailed tree mouse weighting only 28 grams
Animals that share a litter size with Southern bog lemming
Those animals also give birth to 3 babies at once:
- Hispid pocket mouse
- Savanna gerbil
- Arizona gray squirrel
- Deroo’s mouse
- Abrothrix longipilis
- Western chestnut mouse
- Northern collared lemming
- Desert hedgehog
- Long-tailed marmot
- Mountain pygmy possum
Animals that get as old as a Southern bog lemming
Other animals that usually reach the age of 2.5 years:
- African wading rat with 3 years
- Sandstone false antechinus with 3 years
- White-footed dunnart with 2.5 years
- Star-nosed mole with 3 years
- Grant’s golden mole with 2 years
- Asian house shrew with 2.5 years
- Pilbara ningaui with 2 years
- Long-tailed giant rat with 2 years
- Brown antechinus with 3 years
- Narrow-nosed planigale with 3 years
Animals with the same weight as a Southern bog lemming
What other animals weight around 28 grams (0.06 lbs)?
- Western heather vole weighting 25 grams
- Sagebrush vole weighting 28 grams
- Zacatecan deer mouse weighting 27 grams
- Rüppell’s broad-nosed bat weighting 26 grams
- Common vole weighting 26 grams
- Lined pocket mouse weighting 23 grams
- North African gerbil weighting 27 grams
- Arnhem sheath-tailed bat weighting 26 grams
- Broad-headed spiny rat weighting 30 grams
- Oligoryzomys griseolus weighting 25 grams
Animals with the same size as a Southern bog lemming
Also reaching around 10.5 cm (0′ 5″) in size do these animals:
- Soft-furred Oldfield mouse gets as big as 11.2 cm (0′ 5″)
- Gansu mole gets as big as 8.9 cm (0′ 4″)
- Yellow-sided opossum gets as big as 9.9 cm (0′ 4″)
- Pen-tailed treeshrew gets as big as 12 cm (0′ 5″)
- Brazilian gracile opossum gets as big as 9.1 cm (0′ 4″)
- California red tree mouse gets as big as 9.9 cm (0′ 4″)
- Japanese water shrew gets as big as 11.6 cm (0′ 5″)
- Northern hopping mouse gets as big as 10.3 cm (0′ 5″)
- Gunning’s golden mole gets as big as 12.3 cm (0′ 5″)
- Somali serotine gets as big as 8.4 cm (0′ 4″)