Search results
Results From The WOW.Com Content Network
Found predominantly in males, the tusk grows up to 10 feet (3 meters) long — and previous research has suggested it serves as a competitive display to secure mates. But now, with the help of ...
The narwhal was scientifically described by Carl Linnaeus in his 1758 publication Systema Naturae. [5] The word "narwhal" comes from the Old Norse nárhval, meaning 'corpse-whale', which possibly refers to the animal's grey, mottled skin and its habit of remaining motionless when at the water's surface, a behaviour known as "logging" that usually happens in the summer.
A mysterious figure who used a rare narwhal tusk to help subdue a knife-wielding extremist on London Bridge last month has been identified.
Tusks are generally curved and have a smooth, continuous surface. The male narwhal's straight single helical tusk, which usually grows out from the left of the mouth, is an exception to the typical features of tusks described above. Continuous growth of tusks is enabled by formative tissues in the apical openings of the roots of the teeth. [2] [3]
In particular, the characteristic narwhal 'horn' is anatomically a tooth; the unidentified specimen lacked a single narwhal tusk, but its teeth were spiraled, like the tusk of a narwhal. [5] [3] The specimen had 18 teeth, an intermediate number when compared to the beluga (40 teeth) and the narwhal (one tooth). However, not all characters fell ...
A former Royal Canadian Mounted policeman accused of smuggling $2 million worth of narwhal tusks into the United States is now in custody.
Ivory trade in Ghana, 1690. Elephant ivory has been exported from Africa and Asia for millennia with records going back to the 14th century BCE.Transport of the heavy commodity was always difficult, and with the establishment of the early-modern slave trades from East and West Africa, freshly captured slaves were used to carry the heavy tusks to the ports where both the tusks and their ...
Narwhal is a former featured article candidate. Please view the links under Article milestones below to see why the nomination was archived. For older candidates, please check the archive. Narwhal has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so.