How many baby Western broad-nosed bats are in a litter?
A Western broad-nosed bat (Nycticeius balstoni) usually gives birth to around 1 babies.
Each of those little ones spend around 212 days as a fetus before they are released into the wild. Upon birth, they weight 2 grams (0 lbs) and measure 3.5 cm (0′ 2″). They are a member of the Vespertilionidae family (genus: Nycticeius). An adult Western broad-nosed bat grows up to a size of 30 cm (1′ 0″).
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 western or inland broad-nosed bat – Scotorepens balstoni – is a species of vespertilionid bats. They are endemic to Australia and widespread throughout the inland, especially in arid and semi-arid regions. This insectivorous microbat, measuring 12 cm in length, roosts in tree hollows during the day and forages over woodland and water at night.
Other animals of the family Vespertilionidae
Western broad-nosed bat is a member of the Vespertilionidae, as are these animals:
- Silvered bat weighting only 9 grams
- White-winged serotine weighting only 5 grams
- Greater long-fingered bat weighting only 14 grams
- Hinde’s lesser house bat weighting only 10 grams
- Daubenton’s bat with 1 babies per pregnancy
- Zulu serotine weighting only 4 grams
- Rendall’s serotine weighting only 6 grams
- Black-gilded pipistrelle weighting only 10 grams
- Chinese pipistrelle weighting only 5 grams
- Yellow serotine weighting only 10 grams
Animals that share a litter size with Western broad-nosed bat
Those animals also give birth to 1 babies at once:
- Moonrat
- Mexican long-tongued bat
- Greater bamboo lemur
- Purple-faced langur
- Campbell’s mona monkey
- South African springhare
- Blackish deer mouse
- White-beaked dolphin
- Fox’s shrew
- Nabarlek
Animals with the same weight as a Western broad-nosed bat
What other animals weight around 11 grams (0.02 lbs)?
- Heller’s broad-nosed bat weighting 13 grams
- Darien harvest mouse weighting 12 grams
- Common bent-wing bat weighting 10 grams
- Common planigale weighting 12 grams
- Wandering small-eared shrew weighting 11 grams
- Little broad-nosed bat weighting 10 grams
- Tonatia brasiliense weighting 9 grams
- Pallid large-footed myotis weighting 12 grams
- Cave myotis weighting 9 grams
- Alston’s brown mouse weighting 11 grams