Journey North Hummingbirds

How does more space help hummingbirds survive?
Did you notice that the area where ruby-throated hummingbirds breed is much bigger than the area where they spend the winter? Why does that matter?

First, think about a hummingbird's needs.

Make a list: What things do hummingbirds need to have so they can survive and raise young?
Think: In which area will they find more of these?
Read on to see what scientists think.

This hummingbird found a safe place to raise young.

Photo: Phil Brown