Breeding males have a blue frontal shield, which is green in the female.

The bill and frontal shield is a pale greenish-yellow.

The bill has a small frontal shield and is a greenish yellow colour.

The massive bill is red with a black band and a yellow frontal shield (the "saddle").

On the bird's forehead was a naked and pale chalky-blue frontal shield.

There is a black band from the frontal shield to the nape and another on each side behind the eye.

The most complex frontal shield is found in the Horned Coot.

It has a red frontal shield and red-based pink bill.

Women must wear a full frontal shield or mask.

The bill and the frontal shield were yellowish to orange red.