Siamang (Symphalangus syndactylus) Drawings & Dimensions

The Siamang (Symaphalangus syndactylus) is a species of large gibbon native to the Malay Peninsula and Sumatra. They are distinguishable by their large grayish-pink throat sac which they can inflate to the size of a grapefruit when vocalizing. That singing helps them defend their territory.

赛马（Symaphalangus syndactylus）是一种原产于马来半岛和苏门答腊岛的大型长臂猿。它们可通过其膨胀至葡萄柚大小的大型灰粉红色喉囊来辨别，该喉囊在发声时可见。这种歌唱有助于它们捍卫领地。