Java

Javan gibbons

In December 2009, The Foundation launched a new project to save the endangered Javan gibbon, also known as the moloch or silvery gibbon. The Javan gibbon is unique to the Indonesian island of Java; where estimates indicate less than 2,500 mature individuals remain. Gibbons are the most endangered primate species in the world; threatened by the illegal pet trade, hunting for food and medicine and deforestation.

In 2010 we set up our rescue centre. Designed by the head primate keeper at Port Lympne, the enclosures were a quick and cost effective build, whilst being strong and easy to re-size to allow for rehabilitation, pre-release habituation, and quarantine.

Since then we sent 7 gibbons from our parks in Kent to our Java project. In total we have released 49 Javan gibbons back to the wild and so far recorded 3 wild births.

Javan langurs

Javan langurs are also unique to the island and vulnerable to the threat of extinction. In 2012 our centre carried out its first release of rehabilitated wild-born langurs; a group of 13. At the time, our extensive population surveys suggested the number in the wild might be as low as 2,700. The first Javan langurs to leave our parks to make the journey home were a group of six in 2013. After a period of acclimatisation they were introduced to wild-born rescued langurs prior to release. 

Since 2012 a further 36 langurs have been sent from our parks to Java. We have released a total of 14 Javan grizzled leaf langurs and 148 Javan langurs back to the wild. We have recorded over 40 wild births to released ebony langurs and grizzled leaf langurs. 

Grizzled leaf monkeys

Grizzled leaf monkeys are also an endangered primate unique to Java, whose numbers in the wild continue to decrease. In addition to the rescued wild-born individuals of this small, slender Old World monkey, we sent our first group of five from our parks in 2014. By the end of 2015, a further group of seven left the UK to go home.

Get Involved

This work is only possible with the generous donations of individual supporters. Every year we spend just under £165,000 in Java covering the costs of our team headed by experienced primatologist Made Wedana and all the expenses for maintaining both sites – from maintenance of enclosures to veterinary expenses; food and supplies for the animals under our care; and daily post-release monitoring. We make a little go a long way and strive to ensure that every pound is well-spent.