Bats and birds fly. They both have vertibre. They bath flap their wings to fly. THey do a lot of stuff that's the same like stuff.
They have both fly alike
Sex
They both make noises.
Bats do, birds do not
These are both types of flying animals. There are many different species of both bats and birds; there are insect eating and fruit eating examples of both.
Birds and bats
Cause they can both fly
They're both animals.
I also have the same question.
Bats are mammals, birds are not. Birds lay eggs, bats do not.
Both bats and birds are warm-blooded vertebrates.
Bats have fur but birds do not. Bats are mammals that give birth to live young, whereas birds give birth by way of the laying of eggs.