Siamang
Hylobates syndactylus

Gibbons are known for their vocal abilities. Male and female pairs duet to strengthen their bond and defend their territory. The largest of all gibbons, the siamang is also the loudest as its musical calls can be heard through dense rainforest foliage up to two miles away.

Fact File

Height: 2.5 to 3.0 ft

Weight: Up to 23 lbs

Lifespan: Up to 25 yrs

Habitat: Tropical rainforest

Diet: Primarily fruit and leaves, some invertebrates

Status: Species at Risk (IUCN—Lower risk/near threatened)