The birds finish eating but do not leave the rock.

After a time the bird grew bored with us and left.

The problem is that birds simply will not leave me alone.

"But I don't think those birds left a single thing in our pockets."

No one knows why the birds left two years ago or where they went.

A few short answers persuaded even my birds to leave me alone.

"This last time, you birds didn't leave a lot of evidence around to alert the law."

Wonder why this bird wrote that one, and left it here in the book.

But after only a moment's rest the birds took to the air and left him.

The young birds leave the nest after about a month.