This is a ruby-throated hummingbird.

The males have red throats.
The females do not.

These birds are small.
They are as heavy as a penny.

The female makes the nest.
It is very small.
It is the size of a walnut.
It is made out of spider webs.

The female finds webs.
She takes the silk.
She adds it to her nest.
She needs a lot of it.

The nest is soft.
It can stretch.
She puts leaves on the outside.
This hides the nest.

She lays the eggs.
Each egg is as big as a pea.
The nest is small. But it can grow.
The chicks get bigger.
The nest gets bigger.

Hummingbirds make their nests in trees.
It is hard to find these nests.
They are very small.
They look like part of the tree.