How many baby Brazilian brown bats are in a litter?
A Brazilian brown bat (Eptesicus brasiliensis) usually gives birth to around 1 babies.
Upon birth, they weight 20 grams (0.04 lbs) and measure 8 cm (0′ 4″). They are a member of the Vespertilionidae family (genus: Eptesicus). An adult Brazilian brown bat grows up to a size of 13.5 cm (0′ 6″).
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 Brazilian brown bat (Eptesicus brasiliensis), is a bat species from South and Central America.
Other animals of the family Vespertilionidae
Brazilian brown bat is a member of the Vespertilionidae, as are these animals:
- Lesser hairy-winged bat weighting only 13 grams
- Arizona myotis weighting only 8 grams
- Melck’s house bat with 1 babies per pregnancy
- Burmese whiskered bat weighting only 8 grams
- Northern bat with 1 babies per pregnancy
- Botta’s serotine weighting only 15 grams
- Townsend’s big-eared bat becoming 21.17 years old
- Tricolored bat with 1 babies per pregnancy
- Greater bamboo bat with 2 babies per pregnancy
- Schlieffen’s bat with 2 babies per pregnancy
Animals that share a litter size with Brazilian brown bat
Those animals also give birth to 1 babies at once:
- White-bellied yellow bat
- Big free-tailed bat
- Serotine bat
- Greater glider
- Prince Demidoff’s bushbaby
- Blyth’s horseshoe bat
- Lar gibbon
- Dwarf sperm whale
- Black and rufous elephant shrew
- Tammar wallaby
Animals with the same weight as a Brazilian brown bat
What other animals weight around 9 grams (0.02 lbs)?
- Savanna shrew weighting 10 grams
- Pygmy round-eared bat weighting 9 grams
- Rhinolophus sedulus weighting 8 grams
- Black-gilded pipistrelle weighting 10 grams
- Northern birch mouse weighting 8 grams
- Luzon shrew weighting 10 grams
- Black-clawed brush-furred rat weighting 10 grams
- Eastern long-eared bat weighting 9 grams
- Altai birch mouse weighting 10 grams
- Greater long-tailed shrew tenrec weighting 10 grams