Litter Size

How many babies does a Townsend’s big-eared bat have at once? (litter size)

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.

The average litter size of a Townsend's big-eared bat is 1

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:

Animals that share a litter size with Townsend’s big-eared bat

Those animals also give birth to 1 babies at once:

Animals that get as old as a Townsend’s big-eared bat

Other animals that usually reach the age of 21.17 years:

Animals with the same weight as a Townsend’s big-eared bat

What other animals weight around 10 grams (0.02 lbs)?

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: