polar bear weight in pounds
, Problematic interactions between polar bears and humans, such as foraging by bears in garbage dumps, have historically been more prevalent in years when ice-floe breakup occurred early and local polar bears were relatively thin. The skulls of killed polar bears were buried at sacred sites, and altars, called sedyangi, were constructed out of the skulls. Multiple cases of adoption of wild cubs have been confirmed by genetic testing. , The Marine Mammal Protection Act of 1972 afforded polar bears some protection in the United States. The Soviet Union banned all hunting in 1956. Femalesare generally 6-8 feet tall. Powered by Create your own unique website with customizable templates. Females usually give birth during the months of November or December, after a gestation of eight months. Researchers have not demonstrated that making long swims in summer has a “very high cost” for polar bears – saying so is spreading misinformation.  With its body fat providing buoyancy, the bear swims in a dog paddle fashion using its large forepaws for propulsion. After killing the animal, its head and skin were removed and cleaned and brought into the home, and a feast was held in the hunting camp in its honor. When the cubs reach 90 – 100 days age they leave the den. The female will come out of den in the spring season. This specimen, when mounted, stood 3.39 m (11 ft 1 in) tall on its hindlegs.  However, due to the very small human population around the Arctic, such attacks are rare. On 15 May 2008, the United States Department of the Interior listed the polar bear as a threatened species under the Endangered Species Act, citing the melting of Arctic sea ice as the primary threat to the polar bear. – Polar Bear Weight, Grolar Bear Facts – Grolar Bear Cubs, Description, Features, How Many Species of Polar Bears are there? , The relationship between ringed seals and polar bears is so close that the abundance of ringed seals in some areas appears to regulate the density of polar bears, while polar bear predation in turn regulates density and reproductive success of ringed seals. Polar bear milk is the fattiest found on land, at about 31 percent fat when the cubs are born. Whereas northern communities kill all the polar bears they are permitted to take each year, only half of sport hunters with permits actually manage to kill a polar bear. 340 to 658 kg. In unusually warm conditions, the hollow tubes provide an excellent home for algae.  The polar bears that do not den on land make their dens on the sea ice.  Polar bear remains have been found at hunting sites dating to 2,500 to 3,000 years ago and 1,500-year-old cave paintings of polar bears have been found in the Chukchi Peninsula. Females are about half the size of male s and normally weigh 200 to 300 kilograms (440 to 660 pounds). How Many Pounds Does a Polar Bear Weigh?  The pads of the paws are covered with small, soft papillae (dermal bumps), which provide traction on the ice. They can be 7.25 to 8 ft tall. , Being both curious animals and scavengers, polar bears investigate and consume garbage where they come into contact with humans.  Bears sometimes swim to Iceland from Greenland—about 600 sightings since the country's settlement in the 9th century AD, and five in the 21st century as of 2016[update]—and are always killed because of their danger, and the cost and difficulty of repatriation.  Polar bears may attempt to consume almost anything they can find, including hazardous substances such as styrofoam, plastic, car batteries, ethylene glycol, hydraulic fluid, and motor oil. The adult males are generally heavier than adult females. The most accurate counts require flying a helicopter in the Arctic climate to find polar bears, shooting a tranquilizer dart at the bear to sedate it, and then tagging the bear. The polar bear's Latin name, Ursus maritimus, means "sea bear." Polar bears can weigh up to 750-kilograms (1,550 pounds) and can stand up to 3-metres (10-feet) tall. These alternatives may reduce the rate of weight loss of bears when on land. In 2007, the Russian government made subsistence hunting legal for indigenous Chukotkan peoples only, a move supported by Russia's most prominent bear researchers and the World Wide Fund for Nature as a means to curb poaching. Polar Bear is the largest land carnivore and knowing that we wonder how tall is a polar bear when measured. , The polar bear is an excellent swimmer and often will swim for days. Biologist Ian Stirling commented, "For many years, the conservation of polar bears was the only subject in the entire Arctic that nations from both sides of the Iron Curtain could agree upon sufficiently to sign an agreement. How Much Does A Polar Bear Weigh .  Polar bears are especially susceptible to Trichinella, a parasitic roundworm they contract through cannibalism, although infections are usually not fatal. The fur of the polar bear is not really white, it’s transparent. The 42 teeth of a polar bear reflect its highly carnivorous diet. In Nunavut, some Inuit have reported increases in bear sightings around human settlements in recent years, leading to a belief that populations are increasing. The earliest recorded birth of polar bears in captivity was on 11 October 2011 in the Toronto Zoo. At this time they weigh up to 33 pounds (115 kg).  Some estimates of the global population are around 5,000 to 10,000 in the early 1970s; other estimates were 20,000 to 40,000 during the 1980s. ", "WWF — Polar bear status, distribution & population", "Bear hunting caught in global warming debate", "Ask the experts: Are polar bear populations increasing?  The oldest known polar bear fossil is a 130,000 to 110,000-year-old jaw bone, found on Prince Charles Foreland in 2004. When walking, the polar bear tends to have a lumbering gait and maintains an average speed of around 5.6 km/h (3.5 mph).  The numbers taken grew rapidly in the 1960s, peaking around 1968 with a global total of 1,250 bears that year. Adult Female Polar Bear Height: 1.8 to 2.4 meter which is 5.9 to 7.8 feet. , More than 600 bears are killed per year by humans across Canada, a rate calculated by scientists to be unsustainable for some areas, notably Baffin Bay. This hibernation-like state does not consist of continuous sleeping; however, the bear's heart rate slows from 46 to 27 beats per minute. , In August 2011, Environment Canada published a national polar bear conservation strategy. Most male polar bears, also known as boars, attain this weight by the time they are ten years old.  Unlike the brown bear, polar bears in captivity are rarely overweight or particularly large, possibly as a reaction to the warm conditions of most zoos. They can be 7.25 to 8 ft tall . Ringed seals are the most accessible, especially to younger bears and females. Polar bears hunt their preferred food of seals from the edge of sea ice, often living off fat reserves when no sea ice is present. 24% had eaten moss recently, 19% had consumed grass, 34% had eaten black crowberry and about half had consumed willows. Adult males are around 550 to 1700 pounds. Polar bears aren’t just huge creatures; they are massive! Although it is the sister species of the brown bear, it has evolved to occupy a narrower ecological niche, with many body characteristics adapted for cold temperatures, for moving across snow, ice and open water, and for hunting seals, which make up most of its diet. Polar bears have 42 teeth. , Because of expected habitat loss caused by climate change, the polar bear is classified as a vulnerable species. Subadults may also be forced to accept a half-eaten carcass if they kill a seal but cannot defend it from larger polar bears. The bear was shot in northern Alaska (Kotzebue Sound) in 1960.  However, due to their lack of prior human interaction, hungry polar bears are extremely unpredictable, fearless towards people and are known to kill and sometimes eat humans. Adult males weigh from 400 to 600 kilograms (880 to 1,320 pounds) and occasionally exceed 800 kilograms (1,760 pounds). Ten of the sows had a cub swim with them and after a year, six cubs survived. The male's ornamental foreleg hair is thought to attract females, serving a similar function to the lion's mane.  Reduction in sea-ice cover also forces bears to swim longer distances, which further depletes their energy stores and occasionally leads to drowning. Canada allocates a certain number of permits each year to sport and subsistence hunting, and those that are not used for sport hunting are re-allocated to indigenous subsistence hunting.  He chose the scientific name Ursus maritimus, the Latin for 'maritime bear', due to the animal's native habitat. – Polar Bear Species, What Does a Baby Polar Bear Look Like?  It banned all importing of polar bear trophies. Since then, the trend seems to have abated, with tissue concentrations of PCBs declining between studies performed from 1989 to 1993 and studies performed from 1996 to 2002. , Polar bears diverged from brown bears 400,000–600,000 years ago and have survived past periods of climate fluctuation. ", "Ecological risk assessment of persistent organic pollutants in the arctic", "Chlorinated hydrocarbon contaminants and metabolites in polar bears (, "Rebuttal of "Polar Bear Population Forecasts: A Public-Policy Forecasting Audit, "The Energetic Value of Land-Based Foods in Western Hudson Bay and Their Potential to Alleviate Energy Deficits of Starving Adult Male Polar Bears", "Can polar bears use terrestrial foods to offset lost ice-based hunting opportunities? The largest male polar bear on record weighed 2209 pounds. Due to their position at the top of the ecological pyramid, with a diet heavy in blubber in which halocarbons concentrate, their bodies are among the most contaminated of Arctic mammals.  The bear is umka in the Chukchi language. Seal is the favorite food of polar bears. A polar bear can live for 10 days without eating.  In 2010, the 2005 increase was partially reversed. Clyde, a Kodiak brown bear, weighed 2,130 pounds at the time of his death in 1987 at the Dakota Zoo in Bismarck, N.D. Seals migrate in response to these changes, and polar bears must follow their prey. In preparation, the animals dig a cave from a snow bank in which to have their cubs.  In the Norwegian-administered Svalbard archipelago, the polar bear is referred to as Isbjørn ("ice bear"). This report may well be dubious, however. Polar bears are extremely large animals. In some areas, the polar bear's diet is supplemented by walrus calves and by the carcasses of dead adult walruses or whales, whose blubber is readily devoured even when rotten. , The key danger posed by climate change is malnutrition or starvation due to habitat loss. Ringed seals are born weighing 5.4 kg (12 lb) and grown to an estimated average weight of only 60 kg (130 lb). They will even attack adult walruses when their diving holes have frozen over or intercept them before they can get back to the diving hole in the ice. Peacock, E., Derocher, A. E., Thiemann, G. W., & Stirling, I. They still manage to consume some seals, but they are food-deprived in summer as only marine mammal carcasses are an important alternative without sea ice, especially carcasses of the beluga whale. , Although the United States government has proposed that polar bears be transferred to Appendix I of CITES, which would ban all international trade in polar bear parts, polar bears currently remain listed under Appendix II. Polar bear cubs weigh less than a kilogram but male cubs are greater than female cubs even at birth.  However, since polar bear fur has always played a marginal commercial role, data on the historical harvest is fragmentary. Females are smaller, averaging about 550 pounds.  The panserbjørne of Philip Pullman's fantasy trilogy His Dark Materials are sapient, dignified polar bears who exhibit anthropomorphic qualities, and feature prominently in the 2007 film adaptation of The Golden Compass. She must store excess fats in order to spend days in the without eating. Polar bears can weigh up to 750-kilograms (1,550 pounds) and can stand up to 3-metres (10-feet) tall.  This decision was approved of by members of the IUCN and TRAFFIC, who determined that such an uplisting was unlikely to confer a conservation benefit. Polar bears rarely live beyond 25 years.  The dump in Churchill, Manitoba was closed in 2006 to protect bears, and waste is now recycled or transported to Thompson, Manitoba. They may also eat plants, including berries, roots, and kelp; however, none of these have been a significant part of their diet, except for beachcast marine mammal carcasses. Ursus maritimus are sexually dimorphic in fact one of the most dimorphic mammals in the marine world. Polar bears are extremely large animals. They can occasionally drift widely with the sea ice, and there have been anecdotal sightings as far south as Berlevåg on the Norwegian mainland and the Kuril Islands in the Sea of Okhotsk. Member countries agreed to place restrictions on recreational and commercial hunting, ban hunting from aircraft and icebreakers, and conduct further research. If a sport hunter does not kill a polar bear before his or her permit expires, the permit cannot be transferred to another hunter. , The effects of climate change are most profound in the southern part of the polar bear's range, and this is indeed where significant degradation of local populations has been observed.  Current estimates put the global population at between 20,000 and 25,000 or 22,000 and 31,000. (50-295 kg). We have also seen polar bear standing on its hind legs and in that position it can be even more taller. It banned hunting (except by indigenous subsistence hunters), banned importing of polar bear parts (except polar bear pelts taken legally in Canada), and banned the harassment of polar bears. Weighing a massive 1600 pounds at most, fate may definitely weigh on the Polar Bear’s side.  Many attacks by brown bears are the result of surprising the animal, which is not the case with the polar bear. At nearly 10 feet long and weighing about 1,600 pounds, the polar bear is likely the largest species of bear in the world, challenged only by the Kodiak Bear, a subspecies of the grizzly bear.Males are significantly larger than females, which normally way no more than 1,000 pounds. This is similar to the weight of a pineapple.  Second, controls of harvesting were introduced that allowed this previously overhunted species to recover. A Polar Bear is the bigger and heavier beast of the two. The length of these swims ranged from most of a day to ten days.  However, the feet are very large to distribute load when walking on snow or thin ice and to provide propulsion when swimming; they may measure 30 cm (12 in) across in an adult. PCBs have received the most study, and they have been associated with birth defects and immune system deficiency.  However, it is the only living marine mammal with powerful, large limbs and feet that allow them to cover kilometres on foot and run on land. Females approach their smaller full size at 6.  This distinction has since been invalidated. Annual ice contains areas of water that appear and disappear throughout the year as the weather changes. The average weight of a female polar bear in pounds is about 573 pounds. , In Greenland, hunting restrictions were first introduced in 1994 and expanded by executive order in 2005. One bear lost 51 pounds in just nine days.  Satiated polar bears rarely attack humans unless severely provoked. An enormous 1,000lb polar bear had to be taken for its first CT scan on the shovel of a bulldozer. Depending on the timing of ice-floe breakup in the fall, she may have fasted for up to eight months. pp. Compared to the Antarctic, where there is no major surface predator, Arctic seals use more breathing holes per individual, appear more restless when hauled out on the ice, and rarely defecate on the ice. Interesting Polar Bear Facts 1. , Polar bears have long provided important raw materials for Arctic peoples, including the Inuit, Yupik, Chukchi, Nenets, Russian Pomors and others.  As predicted by Allen's rule for a northerly animal, the legs are stocky and the ears and tail are small.  Two genes that are known to influence melanin production, LYST and AIM1, are both mutated in polar bears, possibly leading to the absence on this pigment in their fur.  Wolves are rarely encountered by polar bears, though there are two records of Arctic wolf (Canis lupus arctos) packs killing polar bear cubs. They are …  The evolutionary pressure of polar bear predation on seals probably accounts for some significant differences between Arctic and Antarctic seals.  The remains of polar bears have found in the stomachs of large Greenland sharks (Somniosus microcephalus), although it certainly cannot be ruled out that the bears were merely scavenged by this slow-moving, unusual shark. If the seal does not notice, the bear creeps to within 9 to 12 m (30 to 40 ft) of the seal and then suddenly rushes forth to attack. Polar bears are also considered to be the biggest bear overall and are known to be the largest land-dwelling carnivore. Adult males normally weight 350 to more than 600 kilograms (775 to more than 1,300 pounds). 4.  Chemical communication can also be important: bears leave behind their scent in their tracks which allow individuals to keep track of one another in the vast Arctic wilderness. , This article is about the animal. The heaviest male polar bear on record weighed 2209 pounds (1002 kgs).  Polar bears have also been seen to prey on beluga whales (Delphinapterus leucas) and narwhals (Monodon monoceros), by swiping at them at breathing holes. Enjoy ample cabinet space and a shelf large enough for a mini-refrigerator over the optional 5,000 BTU AC. , Unlike brown bears, polar bears are not territorial. Adult polar bears can grow up to 2.8 meters (9.1 feet) long and weigh around 800 kilograms (1,763 pounds). How Much Does a Polar Bear Weigh? Research of injury patterns in polar bear forelimbs found injuries to the right forelimb to be more frequent than those to the left, suggesting, perhaps, right-handedness.  One scientist found that 71% of the Hudson Bay bears had fed on seaweed (marine algae) and that about half were feeding on birds such as the dovekie and sea ducks, especially the long-tailed duck (53%) and common eider, by swimming underwater to catch them.  Sport hunting can bring CDN$20,000 to $35,000 per bear into northern communities, which until recently has been mostly from American hunters. Increased human-bear interactions, including fatal attacks on humans, are likely to increase as the sea ice shrinks and hungry bears try to find food on land. However, in 2006 it imposed a limit of 150, while also allowed recreational hunting for the first time. Government of Nunavut officials announced that the polar bear quota for the Baffin Bay region would be gradually reduced from 105 per year to 65 by the year 2013.  When sea ice is unavailable during summer and early autumn, some populations live off fat reserves for months at a time, as polar bears do not 'hibernate' any time of the year. This kind of social interaction is uncommon; it is far more typical for polar bears to behave aggressively towards dogs. Polar bear news, and video clips from BBC programmes past and present. I love these questions because it sparks an endless debate, but in this case it should be an easy battle. , Many chemicals, such as PCBs and DDT, have been internationally banned due to the recognition of their harm on the environment. According to a study, 20000 polar bears can eat 128469 seals annually each weigh 121 pounds.  Polar bears are sometimes the host of arctic mites such as Alaskozetes antarcticus.  Vehicle licence plates in the Northwest Territories in Canada are in the shape of a polar bear, as was the case in Nunavut until 2012; these now display polar bear artwork instead.  The subpopulations display seasonal fidelity to particular areas, but DNA studies show that they are not reproductively isolated. Seeing as the weight of the average small family car is said to be around 1000kg, a polar bear weighing 700kg is quite a weight. Yet, they have often been seen playing together for hours at a time and even sleeping in an embrace, and polar bear zoologist Nikita Ovsianikov has described adult males as having "well-developed friendships. , Although polar bears are extraordinarily powerful, its primary prey species, the ringed seal, is much smaller than itself, and many of the seals hunted are pups rather than adults. Polar bear paws are ideal for roaming the Arctic.  Environment Canada also banned the export from Canada of fur, claws, skulls and other products from polar bears harvested in Baffin Bay as of 1 January 2010. Polar bears are excellent swimmers. Before the babies leave their den, they can gain over 30 pounds.  Polar bears hunt primarily at the interface between ice, water, and air; they only rarely catch seals on land or in open water.  Her body temperature does not decrease during this period as it would for a typical mammal in hibernation. While the average weight of a male polar bear is usually between 350-700 kg.  Only the liver was not used, as its high concentration of vitamin A is poisonous. Let’s discover more fun facts about our frosty friend the polar bear. In the Beaufort Sea, males average 450 kg (992 lb) on maturity. Disturbance of these sensitive sites may trigger the mother to abandon her den prematurely, or abandon her litter altogether. Researchers do not know whether or not this is a new behaviour; before polar ice shrinkage, they opined that there was probably neither the need nor opportunity to swim such long distances. , Polar bear population sizes and trends are difficult to estimate accurately because they occupy remote home ranges and exist at low population densities.  As the climate change melts sea ice, the U.S. Geological Survey projects that two-thirds of polar bears will disappear by 2050. , Female polar bears have been known to adopt other cubs.  In most areas, cubs are weaned at two and a half years of age, when the mother chases them away or abandons them.  Many Inuit believe the polar bear population is increasing, and restrictions on commercial sport-hunting are likely to lead to a loss of income to their communities. , When the ice floes are at their minimum in the fall, ending the possibility of hunting, each pregnant female digs a maternity den consisting of a narrow entrance tunnel leading to one to three chambers. The polar bear also hunts by stalking seals resting on the ice: upon spotting a seal, it walks to within 90 m (100 yd), and then crouches. However, a Kodiak Bear does prove a tough opponent. Polar bears give birth to one to three cubs at a time, but most often birth twins that weigh only 1.3 pounds …  The claws are deeply scooped on the underside to assist in digging in the ice of the natural habitat.  When sprinting, they can reach up to 40 km/h (25 mph). Yet, polar bears will very seldom attack full-grown adult walruses, with the largest male walrus probably invulnerable unless otherwise injured or incapacitated. , The bear family, Ursidae, is thought to have split from other carnivorans about 38 million years ago. Polar bears consume a wide variety of other wild foods, including muskox (Ovibos moschatus), reindeer (Rangifer tarandus), birds, eggs, rodents, crabs, other crustaceans, fish and other polar bears. Polar bear cubs are 30 cm long at birth and weigh 16 to 24 oz. Adult females are smaller, normally weighing 150 to 290 kilograms (330 to 650 pounds). The largest polar bear in history hit the scales at whopping 2,209 pounds (157.7 stone, 1,001kg) back in 1960, so Fat Albert still has a way to go yet. Think about that. Polar bears weigh around 772 to 1,543 pounds but most bears weigh less than 1,000 pounds. It slightly supersedes the Kodiak Bear, weighing between 700 to 1500 pounds and measuring 8 feet in height. 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