When you go outside this spring, you might see birds gathering bits of twigs and grass to build their nests. As you can probably imagine, there are as many different kinds of nests as there are different kinds of birds. Tiny birds, like the ruby-throated hummingbird, make very small nests. On the other end of the scale, the bald eagles featured in this month’s issue of Zoobooks make enormous nests called eyries that can be as big as a small truck! Pairs of bald eagles work together to build these nests at the tops of tall trees and on rocky cliffs.

To learn more about the different nests that different birds build, you can check out this activity on the National Zoo’s website. In this interactive game, you can look at pictures of unusual nests and use the information provided to match each bird to its home. The activity has different levels of difficulty, so everyone in the family can join in the fun. Maybe you’ll be inspired to head outside and do some bird-watching of your own!

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