This comprehensive introductory text integrates evolutionary, ecological, and demographic
perspectives with new results from field studies and contemporary noninvasive molecular …

Dispersal has been suggested to be challenging, especially for species that heavily rely on
social learning for knowledge acquisition. One of the obstacles that migrants face is learning …

The spatial and temporal variation in food abundance has strong effects on wildlife feeding
and nutrition. This variation is exemplified by the peatland forests of Central Kalimantan …

Pongo fossils with precise absolute age brackets are rare, limiting our understanding of their
taxonomy and spatiotemporal distribution in southern China during the Late Pleistocene …

Nursing behavior is notoriously difficult to study in arboreal primates, particularly when
offspring suckle inconspicuously in nests. Orangutans have the most prolonged nursing …

Female orangutans exhibit natal philopatry, living in stable home ranges that overlap with
those of their maternal relatives. Using data collected from 2003 to 2017 at Tuanan in …

Indonesia's peatlands experience frequent and intense wildfires, producing hazardous
smoke with consequences for human health, yet there is a lack of research into adverse …

Pronounced temporal and spatial variation in the availability of food resources can produce
energetic deficits in organisms. Fruit-dependent Bornean orangutans face extreme variation …

Temporary associations with conspecifics provide critical opportunities for the acquisition
and development of socioecological skills, especially in species where these interaction …

Sexual coercion, in the form of forced copulations, is relatively frequently observed in
orangutans and generally attributed to their semi-solitary lifestyle. High ecological costs of …