Scientists who fitted heart rate-monitoring tags to Arctic narwhals have discovered a strange paradox in how the animals respond to threats. When these tusked whales are frightened, their hearts ...

Narwhals, Monodon monoceros, are toothed whales that live mostly in Arctic coastal waters and inlets. Male and female narwhals only have two teeth, which are both in the upper jaw. The male’s iconic, ...

an Arctic whale. Today, he’s a dental surgeon in Sharon, Connecticut, and quite possibly the world’s foremost expert on the narwhal tusk—which, yes, is technically a tooth and is more typically ...

The narwhal’s tusk appears to be situated in the center of its head, but it is really an exaggerated left front tooth that ...

The term “narwhal” is Scandinavian and means “corpse whale”, which refers to the ... is actually a canine tooth which emerges from the left side of the upper jaw, through the lip.

An curved arrow pointing right. Narwhals are an endangered species, with most of them residing in remote areas of Canada. Not much is known about the species of whale but new drone footage reveals ...

The living ranges of the narwhal whales overlap with those of the bowheads in the Arctic. Narwhals were central to northern European mythology about the legendary unicorn due to their distinctive ...

Using data from mass mortality events, the researchers compared death and reproduction patterns for toothed whale species ...