How many baby Townsend’s big-eared bats are in a litter?
A Townsend’s big-eared bat (Plecotus townsendii) usually gives birth to around 1 babies.With 1 litters per year, that sums up to a yearly offspring of 1 babies.
Each of those little ones spend around 67 days as a fetus before they are released into the wild. Upon birth, they weight 2 grams (0 lbs) and measure 2 cm (0′ 1″). They are a member of the Vespertilionidae family (genus: Plecotus). An adult Townsend’s big-eared bat 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.
Townsend’s big-eared bat (Corynorhinus townsendii) is a species of vesper bat.
Other animals of the family Vespertilionidae
Townsend’s big-eared bat is a member of the Vespertilionidae, as are these animals:
- Kenyan wattled bat weighting only 7 grams
- New Guinea long-eared bat weighting only 7 grams
- Broad-headed pipistrelle weighting only 6 grams
- Kenyan wattled bat weighting only 7 grams
- Hardwicke’s woolly bat with 1 babies per pregnancy
- Elegant myotis weighting only 4 grams
- Evening bat with 1 babies per pregnancy
- Large forest bat weighting only 6 grams
- Van Gelder’s bat with 1 babies per pregnancy
- Greater mouse-eared bat with 1 babies per pregnancy
Animals that share a litter size with Townsend’s big-eared bat
Those animals also give birth to 1 babies at once:
- Fire-footed rope squirrel
- Dwarf hutia
- Dian’s tarsier
- Allied rock-wallaby
- Eastern woolly lemur
- Tana River red colobus
- Smoky pocket gopher
- Blackbuck
- Collared mangabey
- Sundevall’s roundleaf bat
Animals that get as old as a Townsend’s big-eared bat
Other animals that usually reach the age of 21.17 years:
- Bongo (antelope) with 19.42 years
- Klipspringer with 17.75 years
- Arabian oryx with 20 years
- Greater mouse-eared bat with 22 years
- Grizzled tree-kangaroo with 20 years
- Japanese serow with 18.5 years
- Eurasian beaver with 25 years
- Common eland with 24.33 years
- Asian golden cat with 18 years
- Celebes crested macaque with 18 years
Animals with the same weight as a Townsend’s big-eared bat
What other animals weight around 10 grams (0.02 lbs)?
- Brown long-eared bat weighting 8 grams
- Bini free-tailed bat weighting 11 grams
- Central pebble-mound mouse weighting 12 grams
- Rafinesque’s big-eared bat weighting 9 grams
- Silver-haired bat weighting 11 grams
- Mexican free-tailed bat weighting 12 grams
- Slender harvest mouse weighting 12 grams
- Blasius’s horseshoe bat weighting 10 grams
- Variegated butterfly bat weighting 11 grams
- Southern pygmy mouse weighting 9 grams
Animals with the same size as a Townsend’s big-eared bat
Also reaching around 5.7 cm (0′ 3″) in size do these animals:
- Fulvous harvest mouse gets as big as 6.6 cm (0′ 3″)
- Inyo shrew gets as big as 5.2 cm (0′ 3″)
- Dwarf shrew gets as big as 5.2 cm (0′ 3″)
- Tien Shan shrew gets as big as 6.5 cm (0′ 3″)
- Saharan shrew gets as big as 6.3 cm (0′ 3″)
- Eastern harvest mouse gets as big as 6.5 cm (0′ 3″)
- Bates’s shrew gets as big as 6.8 cm (0′ 3″)
- Townsend’s big-eared bat gets as big as 5.7 cm (0′ 3″)
- Hairy big-eyed bat gets as big as 6.3 cm (0′ 3″)
- Southeastern shrew gets as big as 5.1 cm (0′ 3″)