1.
Opportunistic predation and predation-related events on long-tailed macaque and proboscis monkey in Kinabatangan, Sabah, Malaysia
2.
Aerial Surveys Give New Estimates for Orangutans in Sabah, Malaysia
Population dynamics of the proboscis monkey Nasalis larvatus in the Lower Kinabatangan, Sabah, Borneo, Malaysia
Observations On The Ecology, Distribution And Biogeography Of Forest Birds In Sabah, Malaysia