A siamang group at rest in Sumatra, Indonesia - siamangs rest up to 50% of their waking hours. In the dry season, the size of the siamang's daily range is larger than in the rainy season.

Males, females and infants have long, shaggy black coats with pale hairs around the mouth and chin. Males have a longish tuft of hair in the genital region. Siamangs have a grayish or pinkish …

Kings (and queens) of swing: Siamangs have slender bodies and lightweight bones for some serious swinging. The largest and darkest of the lesser (meaning smaller) apes, also known as …

siamang, (Symphalangus syndactylus), arboreal ape of the gibbon family (Hylobatidae), found in the forests of Sumatra and Malaya. The siamang resembles other gibbons but is more robust.

Hylobates syndactylus is the largest of the gibbons, weighing between 10 and 12 kg. The head-body length ranges from 71 to 90 cm. They have a thick, black fur coat and long, slender …

The siamang is the largest species of gibbon, restricted to the forests of Sumatra and the Malay Peninsula. Known for its inflatable throat sac, it produces far carrying duets that reinforce …

Siamangs are often mistaken for monkeys, but they actually belong to a family of smaller apes called gibbons that are native to Southeast Asia. One way to distinguish monkeys from apes is …

May 20, 2008 · The predominant type of siamang locomotion is its characteristic brachiation, comprising around 80% of its movement (Chivers 1972b cited in Andrews & Groves 1976). …

Mar 13, 2025 · The Siamang is the largest gibbon, known for its booming calls and strong family bonds in the rainforests of Southeast Asia. They are endangered primate.

Distinct as the largest of the gibbon family, this primate can weigh up to 14 kg and measures around 90 cm, with a notably long arm span that aids in its impressive brachiation through the …