Curiosity boosts orang-utan problem-solving ability
Publication/Journal: Animal Behaviour
Keywords: captivity effect, cognitive abilities, curiosity, experience effect, orang-utans, problem solving
2017
The give and take of food sharing in Sumatran orang-utans, Pongo abelii, and chimpanzees, Pan troglodytes
Publication/Journal: Animal Behaviour
Keywords: active food sharing, chimpanzees, offer, prosocial behaviours, request, sumatran orang-utans, taking
2017
Orangutan (Pongo) Care Manual
Publication/Journal:
Keywords: aza, care manual, orangutan
2017
Recapturing the canopy: stimulating Bornean orang-utan (Pongo pygmaeus) natural locomotion behaviour in a zoo environment
Publication/Journal: Journal of Zoo and Aquarium Research
Keywords: body postures, enclosure design, great apes, movement patterns, positional behaviour, zoo welfare
2017
Successful treatment of infertility in a female Sumatran orangutan Pongo abelii
Publication/Journal: Zoo Biology
Keywords: hysterosalpingography (hsg), operant conditioning, pressurized fallopian tube perfusion, proximal tube obstruction (pto), ultrasound
2017
Differences in between-reinforcer value modulate the selective-value effect in great apes (Pan troglodytes, P. Paniscus, Gorilla gorilla, Pongo abelii)
Publication/Journal: Journal of Comparative Psychology
Keywords: *animal feeding behavior, *choice behavior, *food preferences, bonobos, chimpanzees, decision-making, discrimination, economics, gorillas, monkeys
2016
Diets high in fruits and low in gum exudates promote the occurrence and development of dental disease in pygmy slow loris (Nycticebus pygmaeus)
Publication/Journal: Zoo Biology
Keywords: exudativore, gummivore, nutrition, primate
2015
Human–animal relationships in zoo-housed orangutans (P. abelii) and gorillas (G. g. gorilla): The effects of familiarity
Publication/Journal: American Journal of Primatology
Keywords: gorilla, great ape, human-animal interaction, human-animal relationships, orangutan, social relationships
2014
Obligate exudativory characterizes the diet of the pygmy slow loris Nycticebus pygmaeus
Publication/Journal: American Journal of Primatology
Keywords: fallback foods, gummivory, radio-tracking, slow loris
2013
Orangutans (Pongo pygmaeus and Pongo abelii) understand connectivity in the skewered grape tool task
Publication/Journal: Journal of Comparative Psychology
Keywords: connectivity physical cognition, orangutans, skewer task, tools
2013