Malaysan Sun Bear

The sun bear (Helarctos malayanus) is a bear found in tropical forest habitats of Southeast Asia.

The Malayan sun bear is also known as the "honey bear", which refers to its voracious appetite for honeycombs and honey

The sun bear's fur is usually jet-black, short and sleek with some under-wool; some individual sun bears are reddish or gray. There are two whirls on the shoulders, from where the hair radiates in all directions. There is a crest on the sides of the neck and a whorl in the centre of the breast patch. There is always a more or less crescent-shaped pale patch on the breast that varies individually in colour ranging from buff, cream or dirty white to ochreous. The skin is naked on the upper lip. The tongue is long and protrusible. The ears are small and round, broad at the base and capable of very little movement. The front legs are somewhat bowed with the paws turned inwards, and the claws are cream.

The sun bear is the smallest of the bears. Adults are about 120–150 cm (47–59 in) long and weigh 27–65 kg (60–143 lb). Males are 10–20% larger than females. The muzzle is short and light coloured, and in most cases the white area extends above the eyes. The paws are large, and the soles are naked, which is thought to be an adaptation for climbing trees. The claws are large, curved, and pointed. They are sickle-shaped; the front paw claws are long and heavy. The tail is 30–70 mm (1.2–2.8 in) long.

During feeding, the sun bear can extend the exceptionally long tongue 20–25 cm (7.9–9.8 in) to extract insects and honey.[8] It has very large teeth, especially canines, and high bite forces in relation to its body size, which are not well understood, but could be related to its frequent opening of tropical hardwood trees (with its powerful jaws and claws) in pursuit of insects, larvae, or honey.[9][10] The entire head is also large, broad, and heavy in proportion to the body, and the palate is wide in proportion to the skull. [11]

The overall morphology of this bear (inward turned front feet, ventrally flattened chest, powerful forelimbs with large claws, etc.) indicates adaptation for extensive climbing.