Bear

Despite their bulk, most bears climb with ease and swim strongly. In northern species, the cubs are born during the winter sleep time. The cubs of brown bears, usually born in litters of 1 to 3, will typically stay with the mother for two full seasons. They will remain with the mother for approximately three years, until she enters the next cycle of estrus and drives the cubs off.

The IUCN lists six bear species as vulnerable or endangered, and even least concern species, such as the brown bear, are at risk of extirpation in certain countries. The poaching and international trade of these most threatened populations are prohibited, but still ongoing. Home ranges occupied by individual bears vary in size depending on the abundance of food, and larger areas are used when food is in short supply.

  • Female bears rouse during hibernation in their dens to give birth to up to four cubs.
  • Despite their meat-eating ancestry, most bears are omnivores (eaters of both plants and meat).
  • Bears are especially susceptible to habitat destruction, are often hunted for sport, and tend to become the scapegoats whenever campers are attacked in the wild or garbage cans are overturned in suburbs.
  • They have long curved claws that allow them to climb trees and build nests in their branches.

Bear Facts: The Ultimate Guide To Bears for Kids & Adults – Information and Pictures Plus FREE Worksheet

It is found in North America from Florida to Alaska, although not in all areas of the continent. It occupies a wide range of habitats, from southern forests to northern tundra, and is also found in a range of colors from black to brown to yellow to white. It is medium-sized to large with females weighing 90 to 140 kg (200 to 310 lbs) and males 115 to 270 kg (255 to 600 lbs). Its diet is varied but mostly consists of plant materials over most of its range. Male polar bears sometimes congregate, but otherwise bears are solitary except during the mating season. Then they tend to congregate, pair off, and mate in seclusion.

  • Brown bears have thick fur that can range in color from light tan or dark brown, to almost black.
  • People can continue to vote on the website through Sept. 30, the NPS said.
  • They have long claws, a humped back, and a broad head with small ears.

They are mainly found in the mountainous regions of the Sichuan, Shaanxi, and Gansu provinces. The giant pandas are herbivorous and live mostly off of bamboo, helping to control the rapid spread of bamboo in the ecosystems they live in. They are solitary animals that live in their own territories and rarely interact with humans.

Related Pages on Active Wild

They will also eat both carrion and the meat of animals that they have captured themselves. They have a distinctive blackish-brown coat and light-colored muzzle, with a white patch on the chest. These bears are omnivorous, feeding mostly on fruits, nuts, roots, and insects. Brown bears are omnivores, which means they eat both plants and animals. Their diet mostly consists of grasses, roots, nuts, and berries, as well as deer, elk, and fish.

Kodiaks spend most of their lives alone, only coming together during the mating season or when food is abundant. They have an excellent sense of smell, which helps them to find food. Grizzly bears are also very strong and can reach speeds of up to 35 miles per hour. However, they prefer to spend most of their time alone in the wilderness, sleeping or foraging for food.

Marsican brown bears

Climate change is also a significant threat, especially polar bears. They depend on finding seals on sea ice for their meals, and they’ll often pass the summer months without eating while they wait for ice to solidify. Female bears rouse during hibernation in their dens to give birth to up to four cubs. Giant pandas, which do not hibernate, usually give birth to just one cub.

Bear breeding occurs during the summers—it is the only time when adult bears get together at all—but implantation doesn’t typically occur until late autumn. Cubs are born singly or up to three at a time, generally in January or February, while the mother is still in hibernation. After mating, females are left to raise the young by themselves for a period of about three years, at which point—eager to breed with other males—the mothers chase the cubs away to fend for themselves. Given the proliferation of so-called bear dogs millions of years ago—including the standard-bearer of the family, Amphicyon—you might assume that modern bears are most bear flag vs bull flag closely related to dogs. In fact, molecular analysis shows that the closest living relatives of bears are pinnipeds, the family of marine mammals that includes seals and walruses. Both of these mammalian families descend from a last common ancestor, or «concestor,» that lived sometime during the Eocene epoch, about 40 million or 50 million years ago.

They can be as small as four feet long and about 60 pounds (the sun bear) to as big as eight feet long and more than a thousand pounds (the polar bear). They’re found throughout North America, South America, Europe, and Asia. Plant matter including roots, bulbs and flowers, and invertebrates such as worms and insects, are all readily consumed by the bears.

Unlike these big cats, however, bears do not depend on hunting and killing other animals (with the exception of the polar bear). As omnivores, bears are able to take advantage of a wide variety of foodstuffs as they encounter them. The giant panda has a largely vegetarian diet, although it will also eat eggs and fish.

Giant panda

Marsican brown bears are one of the rarest species of brown bears in Europe. They are endemic to the mountainous regions of Central Italy and are listed as an endangered species due to their declining population numbers. Its claws are long and curved, enabling it to dig for food in the ground. The sloth bear also has a unique adaptation called the suction feeder; it sucks up insects from burrows and crevices with its lips. They are solitary animals who stay away from other bears unless they are mating or raising young.

Thank you for visiting Active Wild!

American black bears love berries and insect larvae when they’re available, and giant pandas mainly eat bamboo, though they’ll also eat small animals. Despite their name, sloth bears are ferociously fast eaters, able to tear a hole in a termite mound, push their noses inside, and inhale a full meal in just a few seconds. Brown bears in Alaska gorge on spawning salmon, plucking them from the water or catching them right out of the air as they jump. The American black bear and brown bear is considered Least Concern and increasing in numbers.

Polar bear

The male leaves the female soon after mating and plays no role in raising the young. Ursids breed once per year at most, and many bears breed only every two to four years. The breeding season is usually in late spring or early summer.

Characteristics of Bears

Between 1900 and 1980, 23 people were killed in North America by American black bears and about twice as many by brown bears (grizzly bears). It seems that the brown bears were mostly females defending their cubs, while the polar bears and black bears were acting as predators (Kruuk 2002). They sometimes also come into conflict with human interests when they damage trees by stripping off the bark to eat the inner layers (Ward 1995). The brown bear, or grizzly bear, (Ursus arctos) is a large bear, although its weight varies between local populations. Brown bears are found from western North America, across northern Asia (including the Japanese island of Hokkaido), and in parts of Europe. Plant foods make up most of their diet although they also hunt animals as large as moose, elk, and bison.

Brown bears have thick fur that can range in color from light tan or dark brown, to almost black. They have a large and muscular body, with a short tail and rounded ears. The genera Melursus and Helarctos are sometimes also included in Ursus. The Asiatic black bear and the polar bear used to be placed in their own genera, Selenarctos and Thalarctos, which are now placed at subgenus rank.