How big is a sloth bear? An adult sloth bear is 5 to 6 feet long. It stands 2 to 3 feet tall at the shoulder and weighs about 120 to 310 pounds. That makes it a medium-sized bear with a shaggy coat and a powerful build.
This guide covers the full sloth bear size story: height, length, weight, cub growth and size comparisons for US readers.
Sloth Bear Size Chart
| Measurement | Adult Sloth Bear |
|---|---|
| Body length | 5 to 6 ft (1.5 to 2 m) |
| Shoulder height | 2 to 3 ft (0.5 to 1 m) |
| Male weight | About 176 to 310 lb |
| Female weight | About 120 to 210 lb |
| Tail length | 2.7 to 4.7 in |
| Claw length | Up to 4 in |
How Big Is a Full-Grown Sloth Bear?
A full-grown sloth bear averages about 200 to 300 pounds. That is close to the weight of a large adult man. Males are the heavy ones. Females stay lighter.
Sloth Bear Size Range by Region
Bears in the wild vary by region, and wild bears and zoo bears can differ too. Food supply is a big reason. Bears in rich forests with plenty of termites and fruit tend to do better than bears in poor habitat.
Sloth Bear Height & Length
Sloth bear height is measured at the shoulder, not the head. Sloth bear length is measured from nose to rump. Always check which one a source uses.
Sloth Bear Body Length and Shoulder Height
An adult is 5 to 6 feet long. It stands 23 to 35 inches at the shoulder. In metric, that is about 1.5 to 2 meters long and 0.5 to 1 meter high.
How Tall Is a Sloth Bear Standing Up?
A sloth bear standing on its hind legs can look as tall as a person. This is an estimate based on its 5 to 6 foot body length. No major source lists an exact upright height.
Bears rise up when they feel threatened. They raise their clawed forepaws and make themselves look bigger. This display helps them face down predators.
Tail, Claws, Snout and Other Body Measurements
Some body parts matter more than raw size.
- Tail: only 2.7 to 4.7 inches long.
- Claws: curved and up to 4 inches long, perfect for ripping open termite mounds.
- Snout: long and mobile, with lips that work like a vacuum nozzle.
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Sloth Bear Weight: Male vs Female
Males are bigger than females. This size gap is called sexual dimorphism.
Male Sloth Bear Weight
A male sloth bear weighs about 176 to 310 pounds. The biggest males reach the top of that range.
Female Sloth Bear Weight
A female sloth bear weighs about 120 to 210 pounds. She is lighter, yet she can be fiercely protective of her cubs.
Sloth Bear Cub Size and Growth Stages
Sloth bear cubs start tiny.
- Birth: about 1 pound (2 kg).
- 2 to 3 weeks: eyes open.
- 4 weeks: first steps.
- 9 to 12 weeks: leave the den.
- 6 to 9 months: ride on the mother’s back.
- 2 to 3 years: stay with the mother.
Sloth bears are the only bears that routinely carry their young this way. Females are mature at age 3. Only about half of all cubs survive.
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Sloth Bear Size Comparison to Other Animals
Sloth Bear vs Human
The average US adult male weighs about 200 pounds. A male sloth bear can match or beat that. Yet the bear is far stronger, with long claws and large canines. Sloth bears can also run faster than a person over short distances.
Sloth Bear vs American Black Bear
The American black bear is often heavier. Many adults weigh about 150 to 300 pounds, and large males can pass that.
Sloth Bear vs Brown Bear (Grizzly)
Brown bears are much larger. Big males often weigh 400 pounds or more, and some top 1,000 pounds.
Sloth Bear vs Polar Bear
The polar bear is the largest bear. Adult males often weigh 800 to 1,500 pounds, which is several times a sloth bear’s weight.
Sloth Bear vs Sun Bear
The sun bear is the smallest bear. Adults weigh about 60 to 175 pounds. A sloth bear is clearly bigger.
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Why Sloth Bear Size Matters
A medium body suits a life of digging and climbing. It is light enough to climb for fruit and honey. It is strong enough to break open rock-hard termite mounds.
How Its Size Helps the Sloth Bear Survive
- A shaggy coat with no undercoat keeps the bear cool.
- Long claws open mounds and tree trunks.
- Closable nostrils block dust and insects.
- A bold upright stance can scare off predators.
Size, Habitat Loss and Human Conflict
Sloth bears are listed as Vulnerable. About 20,000 or fewer remain in the wild. Their numbers have dropped an estimated 30 to 49 percent in 30 years. The main causes are habitat loss, poaching and capture for trade.
As forests shrink, bears wander into farms and villages. Meetings with people can turn dangerous. You can see sloth bears in the US at zoos such as the Smithsonian’s National Zoo in Washington, DC, and Sunset Zoo in Manhattan, Kansas.
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FAQ’s About Sloth Bear Size
How big is a sloth bear?
A sloth bear is 5 to 6 feet long and 2 to 3 feet tall at the shoulder. It weighs about 120 to 310 pounds.
How much does a sloth bear weigh?
Males weigh about 176 to 310 pounds. Females weigh about 120 to 210 pounds.
How tall is a sloth bear?
A sloth bear stands about 23 to 35 inches at the shoulder. On its hind legs, it can look about as tall as an adult person.
Are sloth bears bigger than humans?
They are about the same weight as a large adult man. They are shorter on all fours but far stronger.
Is a sloth bear bigger than a black bear?
Usually not. American black bears are often heavier, and large males can pass 300 pounds.
How big are baby sloth bears?
Newborn cubs weigh about 1 pound. They ride on their mother’s back until they are 6 to 9 months old.
Why is it called a sloth bear if it is not slow?
Early scientists thought it was related to sloths. The name stuck, even though the bear is not slow.
I’m Ethan Parker, a writer focused on animals and wildlife. I share simple, useful facts about animal size, behavior, habitats, and unique traits.
