The ridge on the back is less developed, and bulls have a larger dewlap on the throat.
If a predator approaches, the male extends his dewlap and runs away.
The neck is moderately long, bulky and strong, without dewlap.
It has a fairly large head for its body size, and a dewlap which is larger in males than females.
Males have a large dewlap that extends into the abdominal region.
Examples of these are the usage of dewlaps and crests in lizards, dinosaurs and birds.
Within this definition, caruncles in birds include wattles, dewlaps, snoods and earlobes.
They have a large powerful head, with loose folds of skin and a double dewlap on the neck.
