What sound does a gibbons make?
While lar gibbons (Hylobates lar) are mainly known for their loud and conspicuous songs, they can also produce a number of soft call types known as ‘hoo’s.
What do gibbon noises mean?
Gibbon families typically “sing” a territorial song in the morning, and sometimes at other times of the day, to announce the borders of their area to neighboring gibbons groups. This call is also a mechanism for social bonding. Zoos with multiple gibbon groups will often observe gibbons counter-calling.
Why do gibbons call in the morning?
The function of most early morning vocalizations is thought to be either for territorial communication or mate attraction1.