because they need to have blood in their wings to be able to fly
Yes they do have veins because when i eat them have black veins :/
Yes
I don't know. Veins?
The only mammals with wings are the Bats. Bats have a pair of wings.
bats DON'T have wings
Bats have wings and fangs. So do vampires that turn into bats.
No, insects and bats have wings and neither of them are birds.
Yes. They are still bats.
wings
No
a bats wings are a thin layer of skin
bats developed wings to adapt to their environment.