It has a longish tail, a short head crest and a red or yellow face patch.

This breed of pigeon is known for its head crest.

Saurolophus had a similar but longer and more spike-like head crest.

Also unusual was the combination of its toothless jaws and no bony head crest.

Its skin changes color from green to blue, its head crest darkens.

There is also a nameless energy boomerang launched from the head crest.

The tip of the longest head crest came only to her waist.

Their head crests are yellow, with white skin on their throat.

They are mainly grey, with a long tail and an erectile head crest.

It has a long tail and a short head crest.