siamang
A species of gibbon (Symphalangus syndactylus) native to Sumatra and the Malay Peninsula. The Japanese name literally means 'pouch long-armed monkey', referring to its throat sac.
Siamangs inhabit the island of Sumatra.
I heard the call of a siamang at the zoo.
テナガザル is the general term for gibbons, while フクロテナガザル specifically refers to the siamang, which is larger and has a distinctive throat sac.
Standard katakana spelling for this animal name.
Kanji spelling is rare; the word is usually written in katakana.
Compound of 袋 (fukuro, 'pouch') + 手長 (tenaga, 'long-armed') + 猿 (saru, 'monkey'), referring to the siamang's prominent throat sac and long arms.