Green Plus

Release the Gibbons Back Where They Belong

Khao Phra Thaeo Non-hunting Area, Amphoe Thalang, Phuket

Of all the 16 species in the world, there are 4 species of gibbons found in Thailand; namely Lar gibbon or White-handed gibbon, Agile gibbon or Black-handed gibbon, Pileated gibbon or Capped gibbon, and Siamang. Small and light weighted with long arms and no tail, gibbons are arboreal, which means that they spend the majority of their lives in the trees. Wild gibbons cup their hands to drink water from the tree holes, and their diet consists mainly of fruits, with some leaves, flowers, seeds, insects, and small prey. The gibbons are strongly territorial and they sing to defend their territory. Single gibbons sing to attract the opposite sex, while bonded gibbons sing together in a duet to claim their partners and defend them.


Feeding and Food Preparation

Gibbons are fed twice a day with leaves and vegetables; such as, cabbage, morning glory, and cucumber, as well as fruits; such as, banana, guava, and sapodilla. Volunteers also help wash and cut the fruits and vegetables, after they are delivered from the

Health Check

Volunteers perform health checks on all the gibbons everyday by observing their faces, eyes, fur, and limbs. Observation on the gibbon’s behaviour and activities are also carried out to see if they are sick, how they interact with their mate, or if they a

Enrichment Preparation

Enrichments are tools to keep the gibbons active, happy, and entertained, and volunteers can help prepare these items. Examples of the enrichment include yogurt mixed with peanuts and wrapped in banana leaves, and Banana Tube, which is where gibbons use t

Cage Maintenance

The cages, food baskets, and water holders are cleaned and checked for any damages daily, so the gibbons are living in a clean and healthy environment. Sometimes, volunteers also help with building new cages, fixing holes in the cages, or making rope and

Forest Feeding and Follow Up Data Collection

The soft release method is used when reintroducing the gibbons to the wild, in which the gibbons continue to be fed while adjusting to the new environment until they are able to forage food on their own. Volunteers go into the forest with the staff to fee

Example of a Daily Schedule

  • 6.30 a.m.
  • : Feed the gibbons.
  • 7.30 a.m.
  • : Breakfast.
  • 8.30 a.m.
  • : Health check.
  • 9.30 a.m.
  • : Prepare enrichments.
  • 10.30 a.m.
  • : Cage maintenance.
  • 12.00 p.m.
  • : Lunch
  • 1.00 p.m.
  • : Feed the gibbons.
  • Remark: - The above schedule is only an example of what is to be expected and is subject to change, depending on the number of volunteers and workload. - Volunteers at the Gibbon Rehabilitation Project work 6 days a week from around 6.30 a.m. until 2.00 p.m., in which they can relax within the premises or visit several of the nearby attractions after the working hours or on their day off.

Contact Information

  • The Gibbon Rehabilitation Project (The Wild Animal Rescue Foundation of Thailand)
  • 104/3 Mu 3, Tambon Pa Khlok, Amphoe Thalang, Phuket 83110
  • Tel. +66 7626 0491-2