Scientists researching how far sharks hunt seals in the Arctic were stunned in June to find part of the jaw of a young polar bear in the stomach of a Greenland shark, a species that favors polar waters.
“We’ve never heard of this before. We don’t know how it got there,” Kit Kovacs, of the Norwegian Polar Institute, told Reuters of the 10 cm (4 inch) bone found in a shark off the Norwegian Arctic archipelago of Svalbard.
“We can’t say whether or not the shark took a swimming young bear” or ate a carcass, she said. “We don’t know how active these sharks are as predators.”
Most shark experts contacted said it was likely the bear was dead before the shark found it. Even a young, two- or three-year-old bear would be a ferocious opponent for a Greenland shark, which can grow to up to 7 meters (23 feet) and weigh more than a tonne. …
Greenland caribou: here.
Polar bear poaching in Russia down – But climate change threatening their existence: here.
- The Five Most Underrated Extant Sharks (motherboard.vice.com)
- Weird Facts You Didn’t Know About Sharks (livescience.com)
- Bite into these weird facts about sharks (mnn.com)
- Greg Stone: Aliens of the Deep: Deep-sea Sharks Are the Hidden Stars of Shark Week (huffingtonpost.com)
- 8 Weird Facts About Sharks (livescience.com)
- Starved polar bear perished due to record sea-ice melt, says expert (theguardian.com)
- Environmental toxins enter the brain tissue of polar bears (eurekalert.org)