Litter Size

How many babies does a Least pipistrelle have at once? (litter size)

How many baby Least pipistrelles are in a litter?

A Least pipistrelle (Pipistrellus tenuis) usually gives birth to around 1 babies.With 2 litters per year, that sums up to a yearly offspring of 2 babies.

Each of those little ones spend around 41 days as a fetus before they are released into the wild. Upon birth, they weight 1 grams (0 lbs) and measure 2 cm (0′ 1″). They are a member of the Vespertilionidae family (genus: Pipistrellus). An adult Least pipistrelle grows up to a size of 4.4 cm (0′ 2″).

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 Least pipistrelle is 1

The least pipistrelle (Pipistrellus tenuis) is a species of vesper bat.

Other animals of the family Vespertilionidae

Least pipistrelle is a member of the Vespertilionidae, as are these animals:

Animals that share a litter size with Least pipistrelle

Those animals also give birth to 1 babies at once:

Animals with the same weight as a Least pipistrelle

What other animals weight around 4 grams (0.01 lbs)?