At present, the conversion of natural forests into urbanized and agricultural plantation areas
are rising at an accelerated rate. Due to the loss of suitable habitats, wildlife ie macaques …

Grey langurs (Semnopithecus spp.) occupy a variety of habitats, ranging from lowland
forests and semi-desert to alpine forests. Little is known about their foraging and ranging in …

Selective logging can have negative effects on biodiversity and on key ecological processes
such as seed dispersal and forest regeneration. Yet, the effect that timber extraction has on …

During a three-year field study of the socio-ecology of Sumatran orang-utans, their use of the
canopy was investigated in the Gunung Leuser National Park, Indonesia. This paper …

Due to its practical relevance to conservation, considerable efforts have been devoted to
understanding the effects of logging on orangutan (Pongo spp.) population densities …

We report first results from our ongoing study of phayre's leaf monkeys (Trachypithecus
phayrei) on the social structure, feeding, and ranging behavior. The study site is located at …

Abstract Assamese macaque Macaca assamensis McClelland, 1840 is one of the primate
species with narrow distribution range and the least exploration. This study investigated the …

Understanding the determinants of a species' range use aids in understanding their
ecological requirements, which in turn facilitates designing effective conservation strategies …

An ethogram on the behaviour and daily activities of the Nasalis larvatus (Proboscis
Monkey) provided, based on the field observation conducted in Bako National Park …

During a continuing nine year study at Tanjung Puting Reserve, Central Indonesian Borneo,
wild orang-utan tool-use was generally limited to two contexts:(1) agonistic displays and (2) …