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It took nine years, and he produced it using agate and the ivory of narwhal tusks. The throne is guarded by three lions of silver. The Throne Chair is located in the Castle of Rosenborg in Copenhagen. It is a central symbol of the absolute monarchy in Denmark and Norway.
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 ...
This tusk is from a small toothed Arctic whale called a narwhal. Only the male of the species develops this twisted growth, which originally forms from a tooth. For centuries such tusks, which could grow several metres in length, were claimed to be from the mythical creature the unicorn.
However, in narwhals the tusk is implanted in the left maxilla, whereas the tusk in Odobenocetops originates in the right premaxilla. The tusks in these two genera are therefore not homologous, and the occurrence of tusks in Odobenocetops is a convergence with narwhals. [4] In the holotype of Odobenocetops peruvianus both tusks are incomplete ...
A former Royal Canadian Mounted policeman accused of smuggling $2 million worth of narwhal tusks into the United States is now in custody.
An African elephant in Tanzania, with visible tusks. Tusks are elongated, continuously growing front teeth that protrude well beyond the mouth of certain mammal species. They are most commonly canine teeth, as with narwhals, chevrotains, musk deer, water deer, muntjac, pigs, peccaries, hippopotamuses and walruses, or, in the case of elephants, elongated incisors.
"this behaviour may exhibit tusk use as a sensory and communication organ for sharing information about water chemistry sensed in tusk microchannels" this sentence in "Behavior and ecology" largely duplicates "The rubbing of tusks together by male narwhals is thought to be a method of communicating information about characteristics of the water ...
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.