Primates, Linnaeus, 1758

Corlett, Richard T., 2011, Vertebrate Carnivores And Predation In The Oriental (Indomalayan) Region, Raffles Bulletin of Zoology 59 (2), pp. 325-360 : 338

Primates

There are scattered records of vertebrate predation, mostly of lizards, by tarsiers ( Tarsius spp ; Tarsiidae ) and lorises (Loris, Nycticebus ; Loridae ) ( Nowak, 1999). There have also been many observations of free-living macaques ( Macaca spp. ; Cercopithecinae) opportunistically capturing and eating lizards and frogs and, less commonly, birds and small mammals up to the size of a subadult Indian giant squirrel ( Ratufa indica ) (e.g. Estrada et al., 1978; Suzuki et al., 1990; Umapathy & Prabhakar, 1996; Hanya, 2004; Sushma & Singh, 2008). On Langkawi Island, M. fascicularis was seen to kill and eat colugos (Irshad Mobarak in Lim, 2007). Black crested gibbons ( Nomascus concolor ) in Central Yunnan killed and ate four juvenile giant flying squirrels ( Petaurista philippensis ) and attacked several adults (Fan & Jiang, 2009). However, among Oriental primates, only orangutans ( Pongo pygmaeus ; Hominidae ) appear to systematically forage for vertebrates, in this case slow lorises ( Nycticebus coucang ) hiding in dense tangles of vegetation, with this behaviour known only from two sites in northern Sumatra, where some individuals apparently specialise on this tactic ( van Schaik et al., 2003; van Schaik, 2004).