How many baby Brown long-eared bats are in a litter?
A Brown long-eared bat (Plecotus auritus) 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 65 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 Brown long-eared 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 brown long-eared bat or common long-eared bat (Plecotus auritus) is a small Eurasian insectivorous bat. It has distinctive ears, long and with a distinctive fold. It is extremely similar to the much rarer grey long-eared bat which was only validated as a distinct species in the 1960s.An adult brown long-eared bat has a body length of 4.5-4.8 cm, a tail of 4.1-4.6 cm, and a forearm length of 4-4.2 cm. The ears are 3.3-3.9 cm in length, and readily distinguish the long-eared bats from most other bat species.They are relatively slow flyers compared to other bat species.
Other animals of the family Vespertilionidae
Brown long-eared bat is a member of the Vespertilionidae, as are these animals:
- Gould’s long-eared bat with 1 babies per pregnancy
- Hairy-legged myotis weighting only 5 grams
- Botswanan long-eared bat weighting only 7 grams
- Savi’s pipistrelle with 2 babies per pregnancy
- Damara woolly bat weighting only 10 grams
- Glen’s wattled bat weighting only 10 grams
- Tricolored bat with 1 babies per pregnancy
- Brown pipistrelle weighting only 6 grams
- Welwitsch’s bat weighting only 15 grams
- Moloney’s mimic bat weighting only 8 grams
Animals that share a litter size with Brown long-eared bat
Those animals also give birth to 1 babies at once:
- Rock-haunting ringtail possum
- Feather-tailed possum
- Fulvus roundleaf bat
- Wedge-capped capuchin
- Bonobo
- Northern glider
- Lesser spot-nosed monkey
- Yellow-tailed woolly monkey
- Usambara shrew
- Rüppell’s broad-nosed bat
Animals that get as old as a Brown long-eared bat
Other animals that usually reach the age of 30 years:
- Red kangaroo with 30 years
- Giant panda with 30 years
- Hoffmann’s two-toed sloth with 32.08 years
- Eurasian beaver with 25 years
- Cuvier’s beaked whale with 36 years
- Northern fur seal with 35 years
- Amazon river dolphin with 30 years
- Drill (animal) with 33.33 years
- Moose with 25 years
- Buru babirusa with 24 years
Animals with the same weight as a Brown long-eared bat
What other animals weight around 8 grams (0.02 lbs)?
- Godman’s long-tailed bat weighting 7 grams
- Swinny’s horseshoe bat weighting 7 grams
- Pygmy round-eared bat weighting 9 grams
- Thomas’s horseshoe bat weighting 8 grams
- Crowned shrew weighting 9 grams
- Silvered bat weighting 9 grams
- Cave myotis weighting 9 grams
- Lesser long-fingered bat weighting 7 grams
- Geata mouse shrew weighting 9 grams
- Wood’s slit-faced bat weighting 7 grams