Old birds sing, young birds twitter.

Birds sing.

Birds fly.

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

There's burrowing birds.

The birds sang.

Birds build nests.

Birds lay eggs.

Birds have wings.

But birds are dinosaurs.

Birds are living dinosaurs.

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Birds are very agile.

Can all birds fly?

Yield to the birds.

Well, if you want to fly, it's good that you look at birds to be inspired by birds.

So birds do it too.

Birds have basically rudimentary tails.

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Not all birds can fly.

Birds build nests of twigs.

Give way to the birds.

In birds, life gained new mobility.

Avian dinosaurs are our modern birds.

How many birds am I hearing?

SW What about the other birds?

Have you ever seen tandem birds?

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You have these pictures of birds.

Birds were singing in the woods.

Kill two birds with one stone.

Kill two birds with one stone.

The birds flew to the south.

Birds of a feather flock together.

She wrote a book about birds.

The birds soar in the air.

34 aviaries with total capacity of 102.000 birds had AIDS constructed and the sector started to have capacity for 237.000 birds for cycle while to the level of the families 130 aviaries with capacity for 65.000 birds had AIDS constructed and the sector started to have capacity of 106.170 birds for cycle.

Birds witnessed the emergence of flowering plants.

When birds can't fly, they become vulnerable.

Many kinds of birds live in Japan.

To kill two birds with one stone.

The boy observed the birds all day.

The birds were flying in a group.

She is keen on birds and flowers.

This little girl let the birds escape.