Question

give reason though bats can fly they are called mammals.

Answer 1

They have hair, give birth to their young (instead of laying eggs), and nurse their young. They do not have scales or feathers. They are “warm blooded” and can regulate their own body temperature.

Answer 2

hey!!
here is ur answer
bats are the exception in case of mammals as bats platypus is the another exception in mammal as mammals gave birth to young ones but platypus gave eggs

hope it helps