Come on, we're going to move back to the last bird in line.

The population has since increased to more than 60 birds.

This led to more birds being lost in the field.

I wasn't talking to the birds and he knew it.

No one ever thought about what it would do to birds and fish.

The nature of their relationship to birds is under discussion.

If the music of nature is what you want, listen to the birds.

The population of this species numbers between 31,000 to 37,000 birds.

What is the point of Sunday morning, if not to keep still and listen to the birds?

It was up to the birds now to carry the show.