Horsfield's Tarsier

Horsfield's Tarsier, also known as the Western Tarsier, is a species of tarsier.


T.bancanus are found in Southern Sumatra, Borneo and nearby islands[22]. Bornean tarsier, T.b. borneanus known from many lowland sites in Sabah, Brunei, Sarawak and West Kalimantan and above 900m in the Kelabit uplands in Northern Sarawak. Other records that had been made only from Kutai and Peleben in East Kalimantan and Tanjung Maruwe in Central Kalimantan.


This species can live in both primary and secondary forests, and it also lives in forests along the coasts or on the edge of plantations.

Conservation status

The habitat loss rapidly due to forest conversion, oil palm plantations, fire and logging. Even the species are collected for the illegal pet trade and wrongly considered a pest to agricultural crops, and can suffer, directly and indirectly, from contamination from agricultural pesticides.

Horsefield’s tarsier is listed as Vulnerable in 2008 IUCN Red List of Threatened Species and protected by law in Indonesia and in Malaysia, and is listed in CITES Appendix II.

In February 2007, the governments of Brunei, Malaysia, and Indonesia agreed to protect roughly 220,000 square kilometers (85,000 square miles) of tropical forest in the so-called "Heart of Borneo". Environmental group WWF was particularly active in the establishment of the protected area.In the "Heart of Borneo" project, non governmental organizations have played role in promoting the critical Heart of Borneo initiative and in assisting the transboundary nations in its conceptualization, design, and implementation. The transboundary nations is to improve biodiversity conservation in Bornean production forests, and to ensure that such forests are not simply converted to agricultural land-uses such as oil-palm plantations after logging.



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