How Much Does a Gorilla Weigh? All 8 Species Ranked

Everyone knows the fact that bears are very large creatures

However, not many people know how much some bear species weigh

There are many factors that determine the weight of a bear, but the average weight for most bears is between 250 and 500 pounds when the bear is fully grown are pregnant or preparing for hibernation

Some bears weigh more or less than this average, though

Some smaller species usually do not weigh more than 100 pounds, such as the Sun Bear

However, some larger species can easily exceed 1000 pounds, such as the Polar Bear

Below, we’ve highlighted 10 types of bears and how much they weigh so you can get an idea of ​​the size of these creatures

110 Examples of Adult Bear Weight What Determines the Weight of a Bear?

10 Examples of Adult Bear Weight

Bear type

Sun Bear

Sloth Bear

Panda Bear

Asiatic Black Bear

Andean Bear

American Black Bear

Brown Bear

Grizzly Bear

Kodiak Bear

Polar bear

Although it is possible to state a range of bear weight, it is not a range that can be applied to every type of bear throughout the year

There are several different factors that play into the weight of a bear, and all of them must be considered when determining how much a bear weighs or what its potential weight is

Species – The biggest determining factor for a bear’s weight is the species of the bear

There is a great deal of variation in size between bear species, so this will have a large effect on the overall weight of the bear

Smaller species that are not necessarily big and strong usually weigh less than 300 pounds, but may weigh less than 100 pounds in some cases

Larger species that need extra size for hunting or extra skin and fat to keep warm can weigh more than 500 pounds, with some species approaching or exceeding 1000 pounds

Age – Age, of course, determines the size of a bear

Most bear cubs are born around 1 pound, but they quickly begin to grow and gain weight from there

Juvenile bears tend to still weigh less than 100 pounds, and really start to gain weight as they approach maturity

As the bears become old and can no longer hunt as successfully, they can start to lose a little bit of weight; but usually not too drastic

Time of year – Bears’ weight fluctuates throughout the year, mostly because they hibernate

In the summer, bears will eat berries rich in carbohydrates and other foods to gain weight and gain weight

Bears can put on as much as 30 pounds per week during their bulking period!

This can cause bears to weigh several hundred pounds more right before hibernation

Also, after mating season, female bears will gain several hundred pounds if they are pregnant

Female polar bears can double their weight during pregnancy!

The biggest bears ever recorded

While most bears will grow around the weight listed in the table above, there will be some that are not obvious

Over the years, several very large bears have been recorded, weighing more than the average weight of the species​​​​

Black Bear is the heaviest

In 1976, a male American black bear was hunted in New Brunswick

It weighs 902 pounds after being dressed, which means it weighs around 1,100 pounds

Its length from tail to nose is 79 feet, which is quite long for a black bear

Grizzly Bear is the heaviest

The largest grizzly bear ever hunted was in 2014 at Lone Mountain, Alaska

A larger skull was found earlier in 1976, which may have belonged to a bear weighing more than 1,600 pounds from the Lone Mountain grizzly

The Kodiak bear is the heaviest

A captive kodiak bear named Clyde who lived at the Dakota Zoo weighed 2,130 pounds when he died in 1987

The zoo director estimated that Clyde weighed about 2,400 pounds a year earlier when he was healthier

Even in death, Clyde had a 9-inch-thick layer of fat, causing him to weigh quite a lot for his size​​

Polar bears are the heaviest

The largest polar bear ever recorded, and the next largest bear on record, was a 2,209-pound male hunted in 1960 in Kotzebue Sound, Alaska

This weight is twice that of a polar bear, which makes this specimen insane

When standing on its hind legs, this bear can stand more than 11 feet

How much does the bear weigh?

Well, depending on the exact species and type, it can be up to 1,500 pounds

But they are not all preying on seals in the Arctic, and some cannot exceed 150 kilograms, such as the Southeast Asian sun bear

How much do Bears weigh?

Bears are huge creatures, but that doesn’t stop them from running at incredible speeds

Although many factors contribute to bear weight, most of these animals have an average body weight of between 200 and 500 pounds

However, many bear species are smaller than average, while some exceed this limit to a large extent

For example, sun bears rarely weigh more than 100 pounds, while the average male polar bear can grow to 1,100 pounds

Now, let’s look at the average bear weight of all the eight remaining bear species that can still be found in the world

Polar Bear (Ursus Maritimus)

Polar bears are known to be the largest species of bear, so it’s no surprise that the heaviest bear recorded in history was a 2,209-pound male polar bear hunted in 1960 in Alaska

Amazingly, this creature can double the weight of the average bear of 1,100 kilograms that this species is known for

2 Brown Bear (Ursus Arctos)

The largest brown bear on record weighed over 1,200 pounds and was discovered by a taxidermist in 1976

A close runner-up, the captive Dakota Zoo Kodiak bear, weighed 2,130 pounds with a nine-inch-thick layer of fat when it died in 1987

It was estimated that a year earlier, the predator weighed 2,400 kilograms

3 Asiatic Black Bear (Ursus Thibetanus)

American black bears already have a 340-pound physique, but in 1972, a 902-pound male was found in New Brunswick

It is estimated to have weighed 1,100 pounds and was 79 feet long

Considering their massive physique, is it really surprising that a male grizzly is five times stronger than the average human?

4 Panda Bear (Ailuropoda Melanoleuca)

5 Brown bear (Melursus Ursinus)

6 Andean Bear (Tremarctos Ornatus)

7 North American Black Bear (Ursus Americanus)

8 Sun Bear (Ursus Malayanus)

How Heavy Is A Bear: Determining Factors

Even among members of the same species, bears can vary in weight based on a number of factors, which we explore in detail below

As shown above, the species of bear is the most important factor in determining a certain weight and body type

Smaller species—those that don’t have to be very large to survive—usually weigh less than 300 pounds

In contrast, omnivorous bear species that must hunt or require additional skin and fur to survive in cold climates will be larger

When young, before adulthood, it weighs less than 100 pounds

They are increasing in size, but some species do not grow much

Bears will not hunt as much as they age, which may lead to a certain weight loss, but it will not change drastically

How much does a bear weigh during hibernation?

Hibernation affects the size of bears throughout the year

In winter, all the bears die

In order to maintain this state of hibernation, bears must cut down on food as much as possible during the summer, especially berries that are rich in carbohydrates

This leads to a significant weight gain during this season, which can add 30 kilograms in just one week

The same thing happens when a female bear is pregnant

After the mating season, this animal can weigh 100 kilograms

Polar bears, in particular, can increase in size when carrying cubs

As you can see, the weight varies between different species, subspecies, and genders

That said, brown bears and American black bears are the most common in the US, and adult males weigh around 900 pounds and 600 pounds, respectively

How much does a grizzly bear weigh?

While size varies among subspecies, male grizzlies can grow up to 900 pounds on average, with females weighing less than 200 to 300 pounds

How much does a bear weigh at birth?

For example, male brown bear cubs weigh about one kilogram, and by the end of the first year, they grow to 200 kilograms

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