Birds of a feather flock together.

Birds of a feather will gather together.

Birds of a feather will gather together.

Birds of a feather will gather together.

Tom suffocated Mary with a feather pillow.

Tame birds dream of freedom. Wild birds fly!

Another possibility, very obvious, is homophily, or, birds of a feather flock together here, I form my tie to you because you and I share a similar body size.

Flock of birds.

The mother tickled her child with a feather.

Tom found a seagull feather on the beach.

The Origin of Birds .

Birds build nests of twigs.

Hawks are birds of prey.

Flightless birds are birds that can't fly.

So for instance, most of the birds in this picture are migratory birds.

Birds sing.

Birds sing.

Birds fly.

Some of the birds didn't fly.

The eagle is king of birds.

Some kinds of birds can't fly.

Birds are natural enemies of insects.

He studied the flight of birds.

The trees were full of birds.

The trees were full of birds.

We saw a bunch of birds.

A flock of birds is flying.

The Origin and Evolution of Birds .

On photo sharing website, Flickr, photographer Lance Cheung shares a photo of an oil saturated feather on a rubber boom at a small bayou in Bartaria Bay, Louisiana where many birds are affected by the spill.

Some large birds prey upon small birds and animals.

Many kinds of birds live in Japan.

Many kinds of birds live in Japan.

Tom takes good care of the birds.

I listened to the music of birds.

Feathers are a distinguishing feature of birds.

The birds sang.

Birds build nests.

Birds lay eggs.

Birds lay eggs.

These are birds.

The birds fly.

Birds have wings.

Birds are chirping.

Birds are chirping.

Birds drink water.