Birds Study Guide

There are more different types of _______ than there are different types of mammals.

Birds come in all ____ and sizes.

Birds keep the same body temperature all day

• True

• False

What do birds have that we don't have?

Bird's feathers are made of a protein similar to our ________.

Bird skeletons are hollow and that makes them lightweight and ________.

All birds can fly.

• True

• False

All birds have feathers.

• True

• False

The light, fluffy feather of a bird is closely related to the scales of a _________.

Birds fly just like _______.