A polar bear scavenges a bowhead whale carcass along the Beaufort Sea in Alaska's North Slope. ... but also eat berries and insects. Polar bears need lots of fat to survive, ...

Instead, they subsist mostly on meat from marine mammals like seals and whales. Polar bears will occasionally eat birds’ eggs and other things they can scavenge when food is tight.

FILE - A male polar bear eats a piece of whale meat as it walks along the shore of Hudson Bay near Churchill, Manitoba, Aug. 23, 2010. With Arctic sea ice shrinking from climate change, many polar ...

Putting cameras on polar bears is a new technique, and going through the video was “amazing,” Dr. Pagano said. “To watch what a polar bear is actually doing in the wild was really gratifying.” ...

Thanks to their keen sense of smell, they can find and eat carcasses of larger animals, such as whales, walruses and narwhals. Polar bears will also snack on fish, eggs, kelp, berries, reindeer ...

For what grows, lives and especially eats in this region, it's like a house's foundation shifting. ... all the way up the food web to beluga whales, seals and polar bears, ...

One good meal can last them days: A seal weighing 121 pounds can provide eight days worth of energy for a polar bear. When food is plentiful, adult polar bears only eat the fat and leave the rest ...

Orcas are fond of killing bowhead whales to eat only their tongue, leaving the rest of the carcass, which, in this case, left an incredible buffet for the polar bears. “What was most striking was how ...

A male polar bear eats a piece of whale meat Aug. 23, 2010, as it walks along the shore of Hudson Bay near Churchill, Manitoba. With Arctic sea ice shrinking from climate change, many polar bears ...