Narwhal, a 10-week-old rescue puppy with an extra tail on his forehead, was found in rural Missouri by Mac's Mission. Rochelle Steffen/Mac's Mission (MORE: Dog lover to open one-of-a-kind ...

That pointy tooth can grow up to 10 feet long. The Arctic's iconic narwhal, renowned for its long, spiral tusk, is one of nature's most fascinating creatures.

The narwhal (Monodon monoceros), an iconic whale of remote Arctic waters, is widely known for its long, spiral tusk, which is really an elongated tooth. The tusk, which is predominantly found in ...

In "Not Quite Narwhal," we follow curious and fun-loving Kelp who has always believed he is a narwhal like the rest of his ... View All Stores. Lists. Lists. See All. 30 Under 30. 50 Over 50. Top ...