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

That was before the birds grew so thick, else they would have killed us all.

When laying eggs, female birds grow a special type of bone in their limbs.

The bird was merely a speck, but was growing larger.

As the birds grow, they have less and less space to move around in.

It's also a song that becomes more rich and complex as the bird grows older.

Early on in his life "the bird of his imagination grew wings."

The bird grew until it filled his whole field of vision.

These small birds only grow to be 27-34 cm long.

No bird ever grew an oversize liver just because it liked to eat.