They duck down to the ground when threatened by other birds.

Full adults have a white crown, not shown by young birds.

Breathing by birds is very different from that in mammals.

They usually fed themselves between villages by killing birds or small animals.

They were often seen worn by "dolly birds" in London during the 1960s.

The seed has done it, spread by wind, birds, and maybe even on your own garden shoes.

"You've got to see the replay of this pass by Bird."

The island has no vegetation and is used as a roost by birds.

The smaller species seem to have become extinct, their niche filled by birds.

They seem to have little defence against predation by birds.