The siamang is one of nine species of gibbons. The siamang is the largest, darkest, and noisiest species of gibbon. Because of the rapid deforestation of their habitats, gibbons are an endangered species. Siamangs, like all gibbons, have lightweight bones. Like all apes, they have no tail.
Siamangs are the darkest type of gibbon .
They have dark eyes, small nostrils, and jet-black skin. Their feet have five toes, including an opposable big toe. Siamangs can grasp and carry things with both their hands and their feet. Unlike other gibbons, siamangs have webbing between the 2nd and 3rd toes. SIZE Male siamangs are slightly larger than the females.