Siamangs call to maintain territory and keep the family group together. These calls sound like hooting or barking, and can be heard for two miles.
The long arms of the siamang help it move quickly from branch to branch and tree to tree. It can cover 10 feet in one swing.
HABITATUpper canopy of forests
DIETFruit, leaves, other plant products, small insects, birds and eggs
LIFE Expectancy25-30 years