Fact 1: Mammals conserve body heat with their hair or fur.

Fact 2: Bats Bats are mammals with wings.

Given the two facts above, answer the question "What conserves body heat with their fur?" with the following options: 
- hawks
 - shrews
 - flying fish
 - pigs
 - humans
 - dogs
 - crocodiles
 - bats


 

        bats 