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Science & Nature • Mammals

Sun bear

The sun bear (*Helarctos malayanus*) is the smallest living bear species and is native to tropical forests of Southeast Asia.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

The sun bear (*Helarctos malayanus*) is the smallest living bear species and is native to tropical forests of Southeast Asia. It is an arboreal, omnivorous bear known for the pale chest marking that resembles a rising sun. The species is classified as Vulnerable by the IUCN and faces pressures from habitat loss and hunting.

Description

The sun bear is the smallest bear species. It has a dark coat and a pale or golden crescent-shaped mark on its chest, which gave the species its common name. The species is adapted to life in warm, forested habitats.

Range and habitat

Sun bears live in tropical forests and wooded areas of Southeast Asia. They are strong climbers and spend much of their time in trees.

Behaviour and diet

Sun bears are strong climbers and forage both in trees and on the ground. They do not hibernate. Their diet is omnivorous and includes insects, fruit, honey, leaves, and small vertebrates.

Conservation

The sun bear is classified as Vulnerable by the IUCN. Major threats include deforestation and hunting, which have led to population declines.

Key facts

  • The sun bear is the smallest bear species.
  • It lives in tropical forests and wooded areas of Southeast Asia.
  • Its chest has a pale or golden crescent-shaped mark that gave the species its common name.
  • Sun bears are strong climbers and spend much of their time in trees.
  • The species is threatened by deforestation and hunting.
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Canadian context

Sun bears have relevance for Canadian readers through zoo conservation programs, wildlife education, and broader interest in endangered species protection.

Frequently asked questions

What is the scientific name of the sun bear?
The scientific name is *Helarctos malayanus*.
Why is it called a sun bear?
The name refers to the pale or golden marking on its chest, which resembles a rising or setting sun.
Where do sun bears live?
Sun bears live in tropical forests and wooded areas of Southeast Asia.
What do sun bears eat?
They are omnivores and eat insects, fruit, honey, leaves, and small vertebrates.
Are sun bears endangered?
They are currently listed as Vulnerable, meaning they face a high risk of extinction in the wild.

References

  1. National Geographic Kidshttps://kids.nationalgeographic.com/animals/mammals/facts/sun-bear
    Supports: Common name, scientific name, size, diet, habitat, and chest marking origin.
  2. Bornean Sun Bear Conservation Centrehttps://www.bsbcc.org.my/sun-bear-facts
    Supports: Conservation status, size, habitat, diet, arboreal behaviour, and chest marking origin.
  3. San Diego Zoohttps://animals.sandiegozoo.org/animals/sun-bear
    Supports: Taxonomy, smallest bear species claim, and chest marking description.
  4. Britannica Kidshttps://kids.britannica.com/students/article/sun-bear/326572
    Supports: Smallest bear species, range, alternate common names, and IUCN Vulnerable status.