On the head there is a single red comb.

They have rather large, bright red colored single combs and wattles.

They have a single comb and a red face with black eyes while the legs are slate or black.

They have a single comb, four toes, and no crest.

Scots Grey have white skin, a single comb, and red earlobes.

The breed has red earlobes, and a single comb.

The single comb is small to medium in size with a minimum of five serrations preferred.

The exposed single combs are built on branches of shrubs and small trees.

The nest is open (not enclosed by an envelope) and contains a single comb.

These consist of a single large comb with blow only reed-plates on the top and bottom.