It is a tusk.
A comb. It's called a comb, and it's found on many different species (and sexes) of fowl.
Narwhals reproduce just the same as any normal whale They are not special or magical just because they have a stick(horn) growing on top of their heads!
Usually feathers but if you are talking about the red fleshy thing on the head of a rooster, that is called a Comb. The red flesh below the beak is called a wattle.Combs and wattles are used to help cool the bird down and to attract a mate.
A cockscomb, cock's-comb, or (less commonly) coxcomb is a fleshy growth, caruncle, or crest on the top of the head of many gallinaceous birds, notably turkeys, pheasants, and domestic chickens. It is generally larger on males than on females.The crest is a prominent feature exhibited by several bird and dinosaur species on their heads.
The knobby area on top of a horses' head and between the ears is called the poll.
The thing on top of Toad's head is called a Mush.
it is called the crest
Akanishta
It is called the Comb.
a hat
no, they have a nose-like thing on the top of its head called a rostrum
they wear a swim cap to reduce drag
A comb. It's called a comb, and it's found on many different species (and sexes) of fowl.
the top of the head is called the scalp
The very top of your head is called the crown.
The top of the pin is called the head of the pin.
Narwhals don't actually compete in the Olympics, but if they did they would come top in the swimming/diving events.