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Range DescriptionThe only confirmed records of Bornean Ferret Badger are from Kinabalu and Crocker Range Parks, and the adjacent districts of Penampang, Tambunan and Tuaran in Sabah, Malaysia (Wong et al. 2011, Wilting et al. in prep.). In the latter three districts, 57 specimens were collected within a few years in the late 1960sto early 1970s (Wong et al. 2011). Dinets (2003) reported a sighting at 1,950 m asl at Kinabalu Park. Other recent records come from Crocker Range Park, where Wong et al. (2011) captured one individual at Gunung Alab and A.J. Hearn and J. Ross (pers. comm. 2014) camera-trapped it at three sites in the southern part of the park. All records of Bornean Ferret Badger are from uplands and highlands, between 500 m asl and over 3,000 m asl (Borneo Carnivore Symposium database). The field sighting by Boonratana (2010) from a tributary of the Kinabatangan River, Sabah, is here considered to have been in error: the lower Kinabatangan is more than 200 km east of the other records, is in the extreme lowlands and has received high subsequent observer effort without the species otherwise being found there (Wiltinget al. in prep.). Wozencraft (2005) stated that the species occurs in Indonesia (Kalimantan), Malaysia (Sabah, Sarawak) but this source contains multiple known distribution errors and this is assumed to be another of them. For Sarawak, there is only sub-fossil evidence from the Niah caves (Harrison 1996), andthere are apparently no records from Indonesia.