Cheyne, Susan M.

2023 Ang, Andie | Brandon-Jones, D. | Ruppert, N. | Lee, Z.H. | Affendi, A. | Stanly Anyie, Y. | Boonratana, Ramesh | Cheyne, Susan M. | Chua, A. | Hayunieta | Irawan, A. | Jerusalinsky, L. | Karuniawati, A. | Khalid, S. | Koh, J. | Lee, C. | Lhota, S. | Lwin, N. | Mittermeier, Russell A. | Nijman, Vincent | Oram, F. | Pan, S. | Rizaldi | Rowe, N. | Ruskhanidar | Rylands, Anthony B. | Segaran, P. | Setiawan, A. | Taufiq, A. | Thant, N.M.L. | Kasyfullah bin Zaini, M. | Raghavan, R. | Roos, Christian |

Distributed in the Sundaland region (Thai-Malay Peninsula, Sumatra, Borneo, Java and adjacent smaller islands), langurs of the genus Presbytis are one of the most threatened groups of Asian primates. According to the IUCN Red List of Threatened Species, 24 of the 28 taxa (>85%) are threatened with extinction (listed as Critically Endangered, Endangered or Vulnerable). One taxon is classified as Near Threatened and one as Data Deficient.

2015 Campbell, Clare O. | Cheyne, Susan M. | Rawson, Benjamin, M. |

Rehabilitation and translocation programmes are increasingly becoming an important component of conservation action plans for threatened species. Translocation can help address gibbon conservation issues (gibbons are recognized as one of the most threatened primate families globally) by allowing gibbons held in captivity to be rescued, rehabilitated and then returned to the wild.