Active self-treatment of a facial wound with a biologically active plant by a male Sumatran orangutan

IB Laumer, A Rahman, T Rahmaeti, U Azhari… - Scientific Reports, 2024 - nature.com
Although self-medication in non-human animals is often difficult to document systematically
due to the difficulty of predicting its occurrence, there is widespread evidence of such …

Strategies for the use of fallback foods in apes

ME Harrison, AJ Marshall - International journal of primatology, 2011 - Springer
Researchers have suggested that fallback foods (FBFs) shape primate food processing
adaptations, whereas preferred foods drive harvesting adaptations, and that the dietary …

The reluctant innovator: orangutans and the phylogeny of creativity

CP van Schaik, J Burkart… - … of the Royal …, 2016 - royalsocietypublishing.org
Young orangutans are highly neophobic, avoid independent exploration and show a
preference for social learning. Accordingly, they acquire virtually all their learned skills …

[KIRJA][B] The primate origins of human nature

CP Van Schaik - 2016 - books.google.com
The Primate Origins of Human Nature (Volume 3 in The Foundations of Human Biology
series) blends several elements from evolutionary biology as applied to primate behavioral …

Defining fallback foods and assessing their importance in primate ecology and evolution

AJ Marshall, CM Boyko, KL Feilen… - American Journal of …, 2009 - Wiley Online Library
Physical anthropologists use the term “fallback foods” to denote resources of relatively poor
nutritional quality that become particularly important dietary components during periods …

Observational social learning and socially induced practice of routine skills in immature wild orang-utans

C Schuppli, EJM Meulman, SIF Forss, F Aprilinayati… - Animal Behaviour, 2016 - Elsevier
Experiments have shown that captive great apes are capable of observational learning, and
patterns of cultural variation between populations suggest that they use this capacity in the …

Female reproductive strategies in orangutans, evidence for female choice and counterstrategies to infanticide in a species with frequent sexual coercion

CD Knott, M Emery Thompson… - … of the Royal …, 2010 - royalsocietypublishing.org
Intersexual conflicts over mating can engender antagonistic coevolution of strategies, such
as coercion by males and selective resistance by females. Orangutans are exceptional …

Raiders of the lost bark: Orangutan foraging strategies in a degraded landscape

G Campbell-Smith, M Campbell-Smith, I Singleton… - PloS one, 2011 - journals.plos.org
Deforestation is rapidly transforming primary forests across the tropics into human-
dominated landscapes. Consequently, conservationists need to understand how different …

Nutritional ecology of wild Bornean orangutans (Pongo pygmaeus wurmbii) in a peat swamp habitat: Effects of age, sex, and season

ER Vogel, SE Alavi, SS Utami‐Atmoko… - American Journal of …, 2017 - Wiley Online Library
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 …

Grou** behavior of Sumatran orangutans (Pongo abelii) and Tapanuli orangutans (Pongo tapanuliensis) living in forest with low fruit abundance

TS Roth, P Rianti, GM Fredriksson… - American journal of …, 2020 - Wiley Online Library
In contrast to the African great apes, orangutans (Pongo spp.) are semisolitary: Individuals
are often on their own, but form aggregations more often than expected by chance. These …