How do bats have babies?

When bats take shelter in a home it is almost always an all-female maternity colony setting up house to have their babies. They only give birth to one baby and this usually takes place in late spring. The pup or kit (name for a baby bat) remains unable to fly till mid to late august. read more

Bat pups are tiny when born, but grow up fast. Some species are flying and hunting on their own within a month of birth. Bats, like people, usually only have one baby at a time although on occasion they'll have twins. Pups are born without hair -- they look tiny, scrawny and pink. They drink milk from their mothers like all mammals do. read more

If you have bats in your home or building, they are female bats. Only female bats form colonies, and they enter a home or building so that they will have a place to have their babies. Each female bat has only one baby, or pup, at a time. read more

During "baby bat season," it is illegal to perform any type of exclusion work. The length of the maternity depends on the climate; bats don't keep a calendar under their wings. However, in New Jersey, the season can start as early as mid-May and end in mid-August with June and July being the two primary months where bat exclusion work is not permitted. read more