r/BatFacts • u/patronsaintofweed • Jun 16 '23

Vampire bats have a single pup after a 7 month pregnancy, compared to a similarly sized house mouse, which has six pups after a 3 week pregnancy.

Post image
139 Upvotes

100% Upvoted

9 comments sorted by

4

u/LittleDragon450 Jun 16 '23

Dang. Rodents do be built different. What group/family/genus/whatever are bats?

10

u/patronsaintofweed Jun 16 '23

Bats are in the order Chiroptera.

6

u/remotectrl 🦇 Jun 16 '23

Bats are their own group, Chiroptera. At one point it was considered a sister group to rodents and primates, but genetic evidence suggests they are on a different branch of the mammal family tree closer to carnivores and even-toes ungulates.

4

u/remotectrl 🦇 Jun 16 '23

And there are some rodents with a long gestation. Porcupines take a while

2

u/JonasCliver Jun 16 '23

Now compare the size of a newborn bat and mouse