Winter Survival Strategies of Birds

Because they need to conserve energy for keeping warm (correct)

Because they migrate to warmer areas

Because they are hibernating

Because they are not able to find food

Eating more food

Shivering (correct)

Migrating to a warmer climate

Flying long distances

Because they cannot find enough food to eat (correct)

Because they hibernate during the winter months

Because they have stronger muscles than larger birds

Because they migrate earlier than larger birds