A few narwhals have two tusks, with the right one underdeveloped. The female usually has no tusk. The tusks of most adult narwhals are worn at the tip and are often heavily scarred. Males sometimes fight each other with them. They are grayish on top, whitish underneath, and have dark brown spots.
Older narwhals are mostly white, with dark pigment spots on the head and neck.
Native Arctic peoples hunt narwhals. They eat the skin and use the bone and ivory to make tools. The narwhal belongs to the whale order, Cetacea. It is Monodon monoceros. How to cite this article.