how much do they weigh polar bears
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How much does a polar bear weigh? However, most male polar bears weigh an average of about 350 kg (about 880 lb), and most females weigh about 250 kg (550 lb). Polar bears have a strong navigational sense, an extremely good sense of smell, and they are unusually clever at solving problems in order to obtain food.
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Polar Bears Food Intake. 1  A polar bear's stomach can hold an estimated 15% to 20% of its body weight. A polar bear generally eats this much only when its energy demands are high. 2  Polar bears need an average of 2 kg (4.4 lb.) of fat per day to obtain enough energy to survive.
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Alaska Fish & Wildlife News June 2007 At birth a brown bear cub weighs about a pound and a half or two pounds, and when they emerge from the den about four months later the cubs average about 11 or 12 pounds. Milk production and intake increases four-fold after they emerge from the den.
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- 1 The polar bear is the largest land carnivore. 2  Male polar bears (boars) grow two to three times the size of females (sows). Boars weigh about 350 to more than 650 kg (772-1,433 lb.) and are about 2.5 to 3 m (8.2-9.8 ft.) long.  Sows weigh about 150 to 250 kg (331-551 lb.) and are about 1.8 to 2.5 m (6.0-8.2 ft.) long.
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Polar Bear Anatomy The Polar Bear is an extremely large animal, with the males weighing up to 1,500 pounds. The females are only about 800 pounds when they are full grown. Males can be up to 10 feet in length with the females only about 8 feet long.he body of a Polar Bear is very long and they are detailed for specific types of movements. As you watch a Polar Bear move on land, you will notice how powerful each stride is. They feature a very long skull as well as a long nose.
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- Grizzly bears received their name because their brown fur can be tipped with white. This gives them a “grizzled” look, especially when blacklit by the sun. Size: Grizzly bears weigh upwards of 700 pounds. The males are heavier than the females and can weigh up to 1,700 pounds.A large female will weigh up to 800 pounds.ravel Safely in Bear Country-If you live in an area where there are grizzly bears, prevent grizzly bears from having access to garbage, dog food, bird food, dead livestock, etc. A bear that has access to such foods frequently becomes a nuisance or a danger and is destroyed.
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5 Weird Facts About Polar Bears Males reach their adult size between ages 8 and 14, while females reach full size between ages 5 and 6. [ Photos of Polar Bears Swimming in the Arctic ]. 2. They can go days without eating. If a polar bear doesn't eat for seven to 10 days, it can slow its metabolism until it finds its next meal.
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Bear Cubs at Birth Bears have the smallest young in relation to the mother’s body size of any higher mammal. Typically bear cubs weigh between one three-hundredth and one five-hundredth as much as their mother. On average a newborn black bear cub weighs little more than 10.5 ounces (300 g) and is 9 inches (23 cm) long. Brown bear and polar bear cubs are marginally larger, about 17.5 to 28 ounces (500-800 g) in weight and 12 inches (30 cm) in length. If a newborn human infant were that small in comparison, it would weigh between 3.6 and 6 ounces (100-170 g), the weight of a 14 to 16 week old fetus.
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How much do polar bears weigh? The polar bear is the largest carnivore on the earth. Adult males weigh between 350 to 680 kilograms (770 to 1500 pounds). Females are comparatively smaller and weigh around 150 to 250 kilograms (330 to 550 pounds). However, when the female is pregnant, she can weigh as high as 500 kilograms.
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Polar Bear Weight As a polar bear gets older and grows into an adult its weight increases. The average weight of a female polar bear is usually between 150-250 kg. While the average weight of a male polar bear is usually between 350-700 kg. 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. The heaviest recorded polar bear weight actually weighed in at around 1002kg, so the same as the average small family car!
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- Size: Grizzly bears weigh upwards of 700 pounds. The males are heavier than the females and can weigh up to 1,700 pounds. A large female will weigh up to 800 pounds. Diet: Grizzly bears are omnivores. The most commonly eaten plants are the fleshy roots of some plants, fruits, berries, grasses, and forbs.
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Polar Bears Polar bears have large paws compared to body size, reaching 30 cm (12 in.) in diameter. The large paws of a polar bear act like snowshoes, spreading out the bear's weight as it moves over ice and snow. Polar bear paws can reach 30 cm (12 in.) in diameter. The forepaws are round and partially webbed.
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Polar Bear Facts Tracks: A polar bears forepaw is approximately 5 ¾ inches long and 9 inches wide while the hindpaw usually measures 13 inches long and 9 inches wide. The toes form an arc similar to a black bear's track.rom the tip of the nose, to the tip of the tail, polar bears generally range from 8 to 8.4 feet in length (Brown 1993, p 63-64). When a polar bear stands upright, the bear can reach a height of 10 feet or more.
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Polar bear diet The bear's digestive system absorbs approximately 84% of the protein and 97% of the fat it consumes. 4.4 pounds of fat. How much the average polar bear can consume in a day. 10-20% of body weight.
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- Male polar bear weights 350-700kg and the carrying capacity of ice is 5*h2 =m, where we get the thickness h=sqrt(m/5). For mass value of an average polar bear (350kg+700kg)/2 we get the thickness value of 12.2cm. So an average male polar bear can only break under 12.2cm of ice. EDIT: If you are interested in female polar bears, they weight 260kg on average and need only 7.2cm of ice.
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Grizzly Bear Identification Adult male black bears weigh approximately 250 pounds while adult females weigh an average of 140 pounds. Yearlings are 60-75 pounds. Adults range from 5 to 6 feet long and are 2 to 3 feet tall at the shoulder. White black bear with black cub. Black bears come in a wide variety of colors, from black to creamy white.
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Male Polar Bear | Weight, Size, Behavior of a Male Polar Bear Male polar bear is called a boar. Adult male bears have shoulder height of about 122 to 160 cm. The male polar bear’s weight ranges from 350 to 700 kg. According to the Guinness Book of World Records adult male polar bears weigh up to 385 to 410 kg (849 to 904 lb) and a shoulder height measuring at 133 cm.
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- No. The polar bear is actually the largest bear in the world, and is the largest predator on land. The largest polar bear weighed 2210 pounds and stood 14 ft tall on hind legs … , while the largest grizzly bear weighed 1760 pounds and stood 12 ft tall.3 people found this useful.o. The polar bear is actually the largest bear in the world, and is the largest predator on land. The largest polar bear weighed 2210 pounds and stood 14 ft tall on hind legs … , while the largest grizzly bear weighed 1760 pounds and stood 12 ft tall. 3 people found this useful.
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Polar Bear Facts Weight: Polar bears are the largest land predators alive in the world today (Lynch 1993, p 58). Male polar bears generally weigh between 770 to 1500 pounds (Stirling and Guravich 1990, p 23) but can exceed more than 1500 lbs.
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Polar Bears A polar bear's stomach can hold an estimated 15% to 20% of its body weight. A polar bear generally eats this much only when its energy demands are high. A bear can assimilate 84% of the protein and 97% of the fat it eats. Polar bears need an average of 2 kg (4.4 lb.) of fat per day to obtain enough energy to survive. A ringed seal weighing 55 kg (121 lb.) could provide up to eight days of energy for a polar bear. Hibernating polar bears do not eat.
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The Know-It-All's Guide to Life According to the Alaska Department of Fish and Game, a polar bear may kill a ringed seal every 2-6 days. Bearded seals are larger, and grow to 7-8 feet in length. They weigh 575-800 pounds. Polar bears are their main predator.
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- Polar bears have four large paws, that can be 30cm (12) across. Imagine having feet that were as large as dinner plates! Their giant paws act like snowshoes to spread the polar bear's weight out so they can walk on thin ice. A polar bear has five toes on each foot, and there is a sharp claw at the end of each toe.
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- SIZE: There are few measurements available for this bear. Adult spectacled bears can weigh between 140 and 385 pounds (63-173 kg). However, the body length of adults is about 150 to 180 centimeters (60 to 72 inches) and males may be 30 to 40 percent larger than females.