Some animals' fur grows thicker for staying warm in the winter, and mammals are also warm-blooded and are covered with hair or fur. Given these facts, some animals are what for staying warm in the winter among the following options:
- hot headed
 - dormant
 - coiled
 - warm-blooded
 - cold-blooded
 - When it's cold
 - chill minded
 - bullfrogs


 

    warm-blooded     