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Nanulak (Grizzly-polar bear hybrid) - Wiki
Subject: | Nanulak (Grizzly-polar bear hybrid) - Wiki
| Poster: | funny (from@wikipedia.org)
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Grizzly???polar bear hybrid
From Wikipedia, the free encyclopedia
[Photo] Polar/Brown Bear Hybrid, Rothschild Museum, Tring. Photographer: Sarah Hartwell (Messybeast). Polar/Brown Bear adult hybrid. Rothschild Museum, Trink, England.
A grizzly???polar bear hybrid is a rare ursid hybrid that has occurred both in captivity and in the wild. In 2006, the occurrence of this hybrid in nature was confirmed by testing the DNA of a strange-looking bear that had been shot in the Canadian arctic. Previously, the hybrid had been produced in zoos and was considered a "cryptid" (a hypothesized animal for which there is no scientific proof of existence in the wild).
Occurrences in the wild
With one confirmed case and other suspected sightings, zoologists are theorizing how wild hybrids might come into being. Although the two species are genetically similar and often are found in the same territories, they tend to avoid each other in the wild. They also fill different ecological niches. Grizzlies (and also Kodiak bears and "Alaskan Brown Bears," which are all subspecies of the Brown bear Ursus arctos) tend to stay ??? and breed ??? on land. Polar bears prefer the water and ice, and breed on the ice. Some theories suggest that global warming has caused the ice to thin and caused the polar bears to be unable to hunt or "live" in their natural habitat. Because of this they have moved further inland, and it is believed that this increased the frequency of hybrids. As the huge yellowish-white MacFarlane's Bear, a mysterious animal known only from one specimen acquired in 1864, seems to attest, grizzly-polar bear hybrids may well have always occurred from time to time.
2006 discovery
Jim Martell, a hunter from the United States, found and shot a grizzly???polar bear hybrid near Sachs Harbour on Banks Island, Northwest Territories, Canada, reportedly on April 16, 2006. Martell had been hunting for polar bears with an official license and a guide, at a cost of $50,000, and killed the animal believing it to be a normal polar bear. Officials took interest in the creature after noticing that it had thick, creamy white fur, typical of polar bears, as well as long claws; a humped back; a shallow face; and brown patches around its eyes, nose, and back, and having patches on one foot, which are all traits of grizzly bears. If the bear had been adjudicated to be a grizzly, he would have faced a possible CAN$1,000 fine and up to a year in jail.
A DNA test conducted by Wildlife Genetics International in British Columbia confirmed that it was a hybrid, with the mother a polar bear and the father a grizzly. It is the first documented case in the wild, though it was known that this hybrid was biologically possible and other ursid hybrids have been bred in zoos in the past.
Amidst much controversy, the bear has since been returned to Martell."
Naming
Since the 2006 discovery placed the hybrid into the spotlight, the media have referred to this animal with several portmanteau names, such as pizzly, grolar bear, and polizzly; but there is no consensus on the use of any one of these terms. Canadian wildlife officials have suggested calling the hybrid "Nanulak" , taken from the Inuit names for polar bear (Nanuk) and grizzly bear (Aklak). By one convention the name of the sire comes first in such combinations: the offspring of a male Polar bear and a female Grizzly would be a "Pizzly bear," while the offspring of a male Grizzly and a female Polar bear would be a "Grolar bear." If the remains of MacFarlane's 1864 specimen - which was validly described according to ICZN rules - would be traced and confirmed to be such a hybrid by ancient DNA techniques, the scientific name Ursus × inopinatus would be available for these animals.
http://en.wikipedia.org/wiki/Grizzly%E2%80%93polar_bear_hybrid
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