What Built This

What Built This

Animal Builders Not all builders are human. Some builders are animals! What do they build?

Prairie Dog Towns These animals dig underground tunnels with rooms for eating and sleeping.

Sociable Weaver Bird Nests These birds make nests from sticks and grass. One nest holds four hundred birds!

Termite Mounds These little insects chew wood. They build huge piles with the wood and mud.

Pufferfish Circles This male fish makes sand art on the floor of the sea. A female fish lays her eggs there.