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Hace 1 día · Discover the incredible hunting skills and survival strategies of polar bears, the apex predators of the Arctic. With a keen sense of smell that detects seal...
Hace 1 día · A wildlife park is researching whether Suffolk could become a permanent refuge for polar bears as climate change impacts the world. Jimmy's Farm & Wildlife Park near Ipswich is home to three polar ...
Hace 6 horas · These bears are exactly what they sound like — a cross between a polar bear and a grizzly bear — and the first known hybrid was documented in 2006, when an Idaho hunter killed one in Canada.
Hace 1 día · After examining the genetics of 819 polar bears, they found no signs of hybrids with grizzlies ( U. arctos horribilis) and no evidence of ancestral interbreeding between the two. Hunters and biologists say the number of hybrid bears are on the rise in the Canadian Arctic. That’s likely to continue, the researchers found, and it raises ...
Hace 2 días · Polar bears are believed to have the ability to safely survive a period without ice lasting from 183 to 218 days. “Limiting global warming to 2°C above pre-industrial levels may prevent the ice-free period from exceeding 183 days in both western and southern Hudson Bay, providing some optimism for adult polar bear survival.
Hace 4 días · Hybrid ‘Grolar’ bears in Canada all trace back to one polar bear. ( NewsNation) — As Arctic sea ice declines, researchers have observed hybridization between polar bears and grizzly bears as the two species come into more frequent contact. In a study published last week in Conservation Genetics Resources, researchers found no evidence of ...
Hace 2 días · Some 371 historic polar bear and 440 historic grizzly bear samples from across Canada, Alaska and Greenland, collectively show the eight already-known hybrids are from one family.
