Search results
The tusk, which is derived from the left canine, is thought to serve as a weapon or as a tool for feeding, attracting mates or sensing water salinity. The jointed neck vertebrae and shallow dorsal ridge may allow for agile movements under the ice, or help reduce surface area and heat loss.
Mar 8, 2019 · Narwhals are, arguably, one of the most enigmatic species of the Arctic Ocean—and rightfully so—they’re pretty incredible. Although few people have ever seen a narwhal, they are widely recognized for their unique tusk which lends itself to the most magical of nicknames: “unicorn of the sea.”.
Mar 18, 2020 · Narwhals are known as the “unicorns of the sea,” but the reason for the whales’ showy tusks has long mystified scientists. Little was known about the tusk’s function because narwhals spend...
Feb 8, 2022 · In the far far north, close to the sea ice, lives a mysterious creature often called the unicorn of the sea: the narwhal. This animal owes its name to its tusk. In old Norse, the term nafarr means “auger”, which is a type of drill that resembles the narwhal’s spiraled tusk.
Jun 21, 2024 · Narwhal, a small toothed whale found along coasts and in rivers throughout the Arctic. Narwhals usually attain a length of 3.5 to 5 meters (11.5 to 16.4 feet). Males possess a long straight tusk that projects forward from above the mouth. The tusk grows more than 3 meters (9.8 feet) long.
Mar 18, 2014 · Early in his 14-year career of arduous expedition, Nweeia and colleagues discovered that the narwhal tusk is the structural inverse of a human tooth: It has a rigid rod in the center surrounded by a flexible outer layer that contains porous tubules.
Mar 18, 2014 · To Martin Nweeia, the narwhal—a mysterious whale with an off-center tusk—is much more interesting than the mythical unicorn. Now, eight years after he described the narwhal’s distinctive tusk as a sensory organ, the fascinating creature is coming into focus.
Narwhal tusks. These legendary animals have two teeth. In males, the more prominent tooth grows into a swordlike, spiral tusk up to 10 feet long. The ivory tusk tooth grows right through the...
Aug 7, 2017 · According to myths collected among the Inuit in the late 19th and early 20th centuries, the narwhal was once a woman with long hair that she had twisted and plaited to resemble a tusk. When the...
Often dubbed the unicorns of the sea, narwhals have long tusks protruding from their heads. Learn about narwhals, as well as the threats this species faces, what WWF is doing to protect its future, and how you can help.
