Facts about Bears

Polar bears use arctic sea ice as a platform to hunt their favorite food, seals. Unfortunately, climatic warming is rapidly melting the ice. Without it, scientists warn, polar bears will not survive. ... So if the sea ice melts, polar bears will simply re-adapt to living on land, right?Feb 10, 2013

The most carnivorous of the bear species, polar bears feed primarily on the fat of ice-dependent seals. The remains of these seals provide food for many other Arctic wildlife species, giving polar bears a vital role in their ecosystem. Polar bears are marine mammals, and spend much of their time on Arctic sea ice.

Polar bears are strong swimmers; they swim across bays or wide leads without hesitation. They can swim for several hours at a time over long distances. They've been tracked swimming continuously for 100 km (62 mi.). ... thick, keeps the polar bear warm while swimming in cold water.

The family Ursidae is one of nine families in the suborder Caniformia, or "doglike" carnivorans, within the order Carnivora. Bears' closest living relatives are the pinnipeds, canids, and musteloids.

Polar bears don't eat penguins because polar bears live in the Arctic and penguins live in the Antarctic – a very long way away! However, in asking this sort of question, the interviewer doesn't really expect many people to get the right answer – and they don't necessarily care too much if they do.May 23, 2017

Inhabiting the ice and sea of the Arctic, polar bears are well-equipped for survival in a harsh environment. Two coats of fur and a thick layer of blubber help insulate the polar bear's body from the cold, keeping its temperature at an even 37° C (98.6° F).

A new video has captured a gruesome and little seen side to polar bears: When times are tough, males cannibalize cubs. ... Scientists believe that polar bears eat cubs in the late summer and autumn, when seals, their typical prey, are at sea and less available.Feb 23, 2016

Polar bears feed mainly on ringed and bearded seals. Depending upon their location, they also eat harp and hooded seals and scavenge on carcasses of beluga whales, walruses, narwhals, and bowhead whales. On occasion, polar bears kill beluga whales and young walruses.

Mother polar bears nurse their cubs for as long as 30 months. Some cubs stop nursing as young as 18 months of age, but remain with their mothers for survival until they are 30 months old. The average fat content of polar bear milk is 33%, similar to the milkfat of other marine mammals.

In people, chlamydia is a common sexually transmitted disease. A different strain infects koalas, but it too can be spread sexually, and it's causing a devastating epidemic. In some parts of Australia, koala infection rates are as high as 90%.Apr 25, 2013

Koalas drown in swimming pools when they are looking for water to drink. Although koalas can swim, if there are no assisted ways for a koala to climb out they will eventually drown.

Orcas are less common in tropical waters. PREY: The orca is at the top of the marine food web. Their diet items include fish, squid, seals, sea lions, walruses, birds, sea turtles, otters, other whales and dolphins, polar bears and reptiles. They even have been seen killing and eating swimming moose.

They eat a lot of fish and there is some evidence that they ambush sleeping seals, but some scientists believe they are primarily scavengers. Some strange things have been found in Greenland sharks' stomachs, including the remains of polar bears, horses, moose, and in one case an entire reindeer.Feb 3, 2014

There is no record of anyone being killed by a mother black bear defending her cubs, and attacks are very rare. ... Startled black bears run away, often to a tree. By contrast, a startled grizzlies may charge and occasionally attack, making grizzlies over 20 times more dangerous than black bears.

A black bear's first line of defence is retreat, but grizzlies, especially sows with cubs, can be very aggressive towards other bears and people they perceive as threats. Grizzlies are not good tree climbers, though it's important to note that they can climb trees. ... It is a sign of curiosity, not aggression.

According to Bear Life, "North American Black bears like to swim. If there is water where they live they will exploit it for food. Since bears like to hunt fish, they are not shy of water. In fact, their baby cubs take to the water quickly."Feb 29, 2016

Black bears are very opportunistic eaters. Most of their diet consists of grasses, roots, berries, and insects. They will also eat fish and mammals—including carrion—and easily develop a taste for human foods and garbage.

Giant pandas are solitary and peaceful animals but if threatened they will surely attack(just like other animals). They may appear cute and cuddly but they can defend themselves very well. ... And there are some cases where pandas have attacked humans.Mar 11, 2016

It can be up to 8 feet tall when it stands on back feet. Although grizzly bears are large animals, 75% of their diet is comprised of berries, leaves and nuts. They also like to eat fish, rodents and moose. Animals that eat plants and animals are called "omnivores".

The California grizzly (Ursus arctos californicus) is an extinct subspecies of the grizzly, the very large North American brown bear. "Grizzly" could have meant "grizzled" (that is, with golden and grey tips of the hair) or "fear-inspiring".Aug 13, 2017

Grizzly bears are powerful, top-of-the-food-chain predators, yet much of their diet consists of nuts, berries, fruit, leaves, and roots. Bears also eat other animals, from rodents to moose. Grizzlies are typically brown, though their fur can appear to be white-tipped, or grizzled, lending them their traditional name.

Grizzlies are just a frighteningly-named subspecies of brown bear. They're not even the biggest of the subspecies of brown bears. Polar bears are bigger, and have a nastier reputation than grizzlies. They are thought to be more aggressive, and are more dependent on meat for food.Nov 24, 2010

6. A group of polar bears is sometimes called a pack or sleuth.Dec 6, 2015

While waiting, they hunker down in day beds or in willows (low shrubs found on the tundra) to rest and save energy for hunting. Even when the ice has come in, most polar bears sleep for seven or eight hours at a stretch and take naps in between! In that way, they are a lot like people.Nov 2, 2014

The bear's stark white coat provides camouflage in surrounding snow and ice. But under their fur, polar bears have black skin—the better to soak in the sun's warming rays. These powerful predators typically prey on seals.

On occasion, polar bears kill beluga whales and young walruses. When other food is unavailable, polar bears will eat just about any animal they can get, including reindeer, small rodents, seabirds, waterfowl, fish, eggs, vegetation (including kelp), berries, and human garbage.