List of works - Carel van Schaik

A model for the evolution of developmental arrest in male orangutans ⬇️

scientific article published on May 3, 2012

A model for tool-use traditions in primates: implications for the coevolution of culture and cognition

scientific article published in June 2003

A model for warfare in stratified small-scale societies: The effect of within-group inequality

scientific article published on 11 December 2017

A simple alternative to line transects of nests for estimating orangutan densities

scientific article published on 28 June 2005

Allomaternal care, life history and brain size evolution in mammals ⬇️

scientific article published on May 10, 2012

An evaluation of the geographic method for recognizing innovations in nature, using zoo orangutans

scientific article

Animal culture: chimpanzee conformity?

scientific article

Animal innovation defined and operationalized.

scientific article published in August 2007

Apes have culture but may not know that they do

scientific article

Begging for information: mother-offspring food sharing among wild Bornean orangutans

scientific article

Being fat and smart: A comparative analysis of the fat-brain trade-off in mammals

scientific article published in November 2016

Brief Communication: Seasonality of diet composition is related to brain size in New World Monkeys

scientific article

Call cultures in orang-utans?

scientific article

Can captive orangutans (Pongo pygmaeus abelii) be coaxed into cumulative build-up of techniques?

scientific article

Chimpanzees' Bystander Reactions to Infanticide: An Evolutionary Precursor of Social Norms?

scientific article published on June 2015

Cognitive consequences of cooperative breeding in primates?

scientific article published on 24 July 2009

Cognitive differences between orang-utan species: a test of the cultural intelligence hypothesis

scientific article

Contributions of Sarah Blaffer Hrdy

scientific article

Correction to: development of foraging skills in two orangutan populations: needing to learn or needing to grow?

scientific article published on 8 February 2018

Correction to: getting fat or getting help? how female mammals cope with energetic constraints on reproduction

scientific article published on 8 February 2018

Costs of encephalization: the energy trade-off hypothesis tested on birds

scientific article published on 17 April 2006

Culture and geographic variation in orangutan behavior

scientific article

Determinants of orangutan density in the dryland forests of the Leuser Ecosystem

scientific article published on 20 April 2004

Development of ecological competence in Sumatran orangutans

scientific article published in May 2005

Development of foraging skills in two orangutan populations: needing to learn or needing to grow?

scientific article

Diet traditions in wild orangutans

scientific article published in October 2010

Dietary Profile of Rhinopithecus bieti and Its Socioecological Implications

scientific article published on 14 July 2009

Early sociability fosters later exploratory tendency in wild immature orangutans

scientific article published on 08 January 2020

Effects of Pleistocene glaciations and rivers on the population structure of Bornean orangutans (Pongo pygmaeus)

scientific article (publication date: 14 December 2010)

Effects of body region and time on hair cortisol concentrations in chimpanzees (Pan troglodytes).

scientific article published on 24 September 2015

Effects of seasonality on brain size evolution: evidence from strepsirrhine primates ⬇️

scientific article published on December 1, 2010

Energetics and the evolution of human brain size ⬇️

scientific article published on November 9, 2011

Even simple forms of social learning rely on intention attribution in marmoset monkeys (Callithrix jacchus).

scientific article

Explaining brain size variation: from social to cultural brain.

scientific article

Fallback foods of temperate-living primates: a case study on snub-nosed monkeys

scientific article

Female monkeys use both the carrot and the stick to promote male participation in intergroup fights.

scientific article

Foraging and ranging behavior during a fallback episode: Hylobates albibarbis and Pongo pygmaeus wurmbii compared

scientific article

Forest fruit production is higher on Sumatra than on Borneo

scientific article

Functional ecology and evolution of hominoid molar enamel thickness: Pan troglodytes schweinfurthii and Pongo pygmaeus wurmbii

scientific article

Future directions for studying the evolution of general intelligence

scientific article published in January 2017

Generation of SNP datasets for orangutan population genomics using improved reduced-representation sequencing and direct comparisons of SNP calling algorithms

scientific article

Genomes reveal marked differences in the adaptive evolution between orangutan species

Getting fat or getting help? How female mammals cope with energetic constraints on reproduction

scientific article

Group service in macaques (Macaca fuscata), capuchins (Cebus apella) and marmosets (Callithrix jacchus): a comparative approach to identifying proactive prosocial motivations

scientific article

How does cognition evolve? Phylogenetic comparative psychology

scientific article published on 17 September 2011

How institutions shaped the last major evolutionary transition to large-scale human societies

scientific article published in February 2016

How to explain the unusually late age at skill competence among humans

scientific article

Impartial third-party interventions in captive chimpanzees: a reflection of community concern

scientific article

Individual variation in the rate of use of tree-hole tools among wild orang-utans: implications for hominin evolution

scientific article published in January 2003

Innovation in wild Bornean orangutans (Pongo pygmaeus wurmbii)

article

Intra-and interpopulational differences in orangutan (Pongo pygmaeus) activity and diet: implications for the invention of tool use.

scientific article published in October 2004

Language evolution: syntax before phonology?

scientific article

Large brains buffer energetic effects of seasonal habitats in catarrhine primates

scientific article

Life history costs and benefits of encephalization: a comparative test using data from long-term studies of primates in the wild

scientific article

Life history, cognition and the evolution of complex foraging niches

scientific article

Looking for unity in diversity: human cooperative childcare in comparative perspective.

scientific article published in December 2017

Male food defence as a by-product of intersexual cooperation in a non-human primate

scientific article

Manipulation complexity in primates coevolved with brain size and terrestriality

scientific article

Marked population structure and recent migration in the critically endangered Sumatran orangutan (Pongo abelii).

scientific article

Mating skew in Barbary macaque males: the role of female mating synchrony, female behavior, and male–male coalitions ⬇️

scientific article published on July 23, 2010

Mating strategies in primates: a game theoretical approach to infanticide

scientific article published on 19 January 2011

Measuring Hair Cortisol Concentrations to Assess the Effect of Anthropogenic Impacts on Wild Chimpanzees (Pan troglodytes).

scientific article

Metabolic costs of brain size evolution

scientific article

Modelling ranging behaviour of female orang-utans: a case study in Tuanan, Central Kalimantan, Indonesia

scientific article

Morality as a Biological Adaptation – An Evolutionary Model Based on the Lifestyle of Human Foragers

scientific article published on 15 August 2013

Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species.

scientific article

Orangutan cultures and the evolution of material culture

scientific article

Orientation toward humans predicts cognitive performance in orang-utans

scientific article

Other-regarding preferences in a non-human primate: common marmosets provision food altruistically

scholarly article

Overall brain size, and not encephalization quotient, best predicts cognitive ability across non-human primates.

scientific article published on 18 May 2007

Payoff- and Sex-Biased Social Learning Interact in a Wild Primate Population

scientific article published on 30 August 2018

Postdispersal nepotism in male long-tailed macaques (Macaca fascicularis).

scientific article

Predator guild does not influence orangutan alarm call rates and combinations

scientific article published in 2012

Resilience of experimentally seeded dietary traditions in wild vervets: Evidence from group fissions

scientific article

Sex Differences in Object Manipulation in Wild Immature Chimpanzees (Pan troglodytes schweinfurthii) and Bonobos (Pan paniscus): Preparation for Tool Use?

scientific article

Sex-biased dispersal and volcanic activities shaped phylogeographic patterns of extant Orangutans (genus: Pongo).

scientific article

Skill mastery inhibits adoption of observed alternative solutions among chimpanzees (Pan troglodytes).

scientific article

Social learning and evolution: the cultural intelligence hypothesis

scientific article

Social learning research outside the laboratory: How and why?

scientific article published in August 2010

Social organization and the evolution of cumulative technology in apes and hominins

scientific article

Soils on exposed Sunda shelf shaped biogeographic patterns in the equatorial forests of Southeast Asia

scientific article

Strongly bonded family members in common marmosets show synchronized fluctuations in oxytocin

scientific article published on 28 July 2015

Studying extant species to model our past

scientific article

Sumatran orangutans differ in their cultural knowledge but not in their cognitive abilities.

scientific article

The Ecology of Social Learning in Animals and its Link with Intelligence.

scientific article published on 9 January 2017

The Expensive Brain: a framework for explaining evolutionary changes in brain size

scientific article published on 3 September 2009

The animal cultures debate: response to Laland and Janik

scientific article published on 7 November 2006

The collective action problem in primate territory economics ⬇️

scientific article published on March 20, 2013

The cooperative breeding perspective helps in pinning down when uniquely human evolutionary processes are necessary

scientific article

The cooperative breeding perspective helps in pinning down when uniquely human evolutionary processes are necessary-CORRIGENDUM.

scientific article published in January 2016

The costs and benefits of flexibility as an expression of behavioural plasticity: a primate perspective ⬇️

scientific article published on April 8, 2013

The ecology of primate material culture

scientific article

The effects of sociability on exploratory tendency and innovation repertoires in wild Sumatran and Bornean orangutans

scientific article published on 13 November 2017

The evolution of animal 'cultures' and social intelligence

scientific article

The evolution of general intelligence

scientific article

The evolution of self-control

scientific article

The response of adult orang-utans to flanged male long calls: inferences about their function

scientific article

The role of terrestriality in promoting primate technology

scientific article

The social organisation of a population of Sumatran orang-utans

scientific article

The social organization of Homo ergaster: Inferences from anti-predator responses in extant primates

scientific article

Understanding the impacts of land-use policies on a threatened species: is there a future for the Bornean orang-utan?

scientific article

Validation of a field-friendly extraction and storage method to monitor fecal steroid metabolites in wild orangutans

scientific article

Validation of an acoustic location system to monitor Bornean orangutan (Pongo pygmaeus wurmbii) long calls

scientific article published on 16 March 2015

Variation in brain size and ecology in Pongo

scientific article published on 8 August 2006

Variation in developmental arrest among male orangutans: a comparison between a Sumatran and a Bornean population

scientific article

When dispersal fails: unexpected genetic separation in Gibraltar macaques (Macaca sylvanus).

scientific article

Why are some animals so smart?

scientific article

Why do orangutans leave the trees? Terrestrial behavior among wild Bornean orangutans (Pongo pygmaeus wurmbii) at Tuanan, Central Kalimantan

scientific article published on 28 August 2015

Why mutual helping in most natural systems is neither conflict-free nor based on maximal conflict

scientific article published in February 2016

Wild orangutan males plan and communicate their travel direction one day in advance

scientific article

Zoon Politikon

Zoon politikon: The evolutionary origins of human socio-political systems

scientific article published on 23 March 2018

List of works by Carel van Schaik

A model for the evolution of developmental arrest in male orangutans ⬇️

A model for tool-use traditions in primates: implications for the coevolution of culture and cognition

A model for warfare in stratified small-scale societies: The effect of within-group inequality

A simple alternative to line transects of nests for estimating orangutan densities

Allomaternal care, life history and brain size evolution in mammals ⬇️

An evaluation of the geographic method for recognizing innovations in nature, using zoo orangutans

Animal culture: chimpanzee conformity?

Animal innovation defined and operationalized.

Apes have culture but may not know that they do

Begging for information: mother-offspring food sharing among wild Bornean orangutans

Being fat and smart: A comparative analysis of the fat-brain trade-off in mammals

Brief Communication: Seasonality of diet composition is related to brain size in New World Monkeys

Call cultures in orang-utans?

Can captive orangutans (Pongo pygmaeus abelii) be coaxed into cumulative build-up of techniques?

Chimpanzees' Bystander Reactions to Infanticide: An Evolutionary Precursor of Social Norms?

Cognitive consequences of cooperative breeding in primates?

Cognitive differences between orang-utan species: a test of the cultural intelligence hypothesis

Contributions of Sarah Blaffer Hrdy

Correction to: development of foraging skills in two orangutan populations: needing to learn or needing to grow?

Correction to: getting fat or getting help? how female mammals cope with energetic constraints on reproduction

Costs of encephalization: the energy trade-off hypothesis tested on birds

Culture and geographic variation in orangutan behavior

Determinants of orangutan density in the dryland forests of the Leuser Ecosystem

Development of ecological competence in Sumatran orangutans

Development of foraging skills in two orangutan populations: needing to learn or needing to grow?

Diet traditions in wild orangutans

Dietary Profile of Rhinopithecus bieti and Its Socioecological Implications

Early sociability fosters later exploratory tendency in wild immature orangutans

Effects of Pleistocene glaciations and rivers on the population structure of Bornean orangutans (Pongo pygmaeus)

Effects of body region and time on hair cortisol concentrations in chimpanzees (Pan troglodytes).

Effects of seasonality on brain size evolution: evidence from strepsirrhine primates ⬇️

Energetics and the evolution of human brain size ⬇️

Even simple forms of social learning rely on intention attribution in marmoset monkeys (Callithrix jacchus).

Explaining brain size variation: from social to cultural brain.

Fallback foods of temperate-living primates: a case study on snub-nosed monkeys

Female monkeys use both the carrot and the stick to promote male participation in intergroup fights.

Foraging and ranging behavior during a fallback episode: Hylobates albibarbis and Pongo pygmaeus wurmbii compared

Forest fruit production is higher on Sumatra than on Borneo

Functional ecology and evolution of hominoid molar enamel thickness: Pan troglodytes schweinfurthii and Pongo pygmaeus wurmbii

Future directions for studying the evolution of general intelligence

Generation of SNP datasets for orangutan population genomics using improved reduced-representation sequencing and direct comparisons of SNP calling algorithms

Genomes reveal marked differences in the adaptive evolution between orangutan species

Getting fat or getting help? How female mammals cope with energetic constraints on reproduction

Group service in macaques (Macaca fuscata), capuchins (Cebus apella) and marmosets (Callithrix jacchus): a comparative approach to identifying proactive prosocial motivations

How does cognition evolve? Phylogenetic comparative psychology

How institutions shaped the last major evolutionary transition to large-scale human societies

How to explain the unusually late age at skill competence among humans

Impartial third-party interventions in captive chimpanzees: a reflection of community concern

Individual variation in the rate of use of tree-hole tools among wild orang-utans: implications for hominin evolution

Innovation in wild Bornean orangutans (Pongo pygmaeus wurmbii)

Intra-and interpopulational differences in orangutan (Pongo pygmaeus) activity and diet: implications for the invention of tool use.

Language evolution: syntax before phonology?

Large brains buffer energetic effects of seasonal habitats in catarrhine primates

Life history costs and benefits of encephalization: a comparative test using data from long-term studies of primates in the wild

Life history, cognition and the evolution of complex foraging niches

Looking for unity in diversity: human cooperative childcare in comparative perspective.

Male food defence as a by-product of intersexual cooperation in a non-human primate

Manipulation complexity in primates coevolved with brain size and terrestriality

Marked population structure and recent migration in the critically endangered Sumatran orangutan (Pongo abelii).

Mating skew in Barbary macaque males: the role of female mating synchrony, female behavior, and male–male coalitions ⬇️

Mating strategies in primates: a game theoretical approach to infanticide

Measuring Hair Cortisol Concentrations to Assess the Effect of Anthropogenic Impacts on Wild Chimpanzees (Pan troglodytes).

Metabolic costs of brain size evolution

Modelling ranging behaviour of female orang-utans: a case study in Tuanan, Central Kalimantan, Indonesia

Morality as a Biological Adaptation – An Evolutionary Model Based on the Lifestyle of Human Foragers

Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species.

Orangutan cultures and the evolution of material culture

Orientation toward humans predicts cognitive performance in orang-utans

Other-regarding preferences in a non-human primate: common marmosets provision food altruistically

Overall brain size, and not encephalization quotient, best predicts cognitive ability across non-human primates.

Payoff- and Sex-Biased Social Learning Interact in a Wild Primate Population

Postdispersal nepotism in male long-tailed macaques (Macaca fascicularis).

Predator guild does not influence orangutan alarm call rates and combinations

Resilience of experimentally seeded dietary traditions in wild vervets: Evidence from group fissions

Sex Differences in Object Manipulation in Wild Immature Chimpanzees (Pan troglodytes schweinfurthii) and Bonobos (Pan paniscus): Preparation for Tool Use?

Sex-biased dispersal and volcanic activities shaped phylogeographic patterns of extant Orangutans (genus: Pongo).

Skill mastery inhibits adoption of observed alternative solutions among chimpanzees (Pan troglodytes).

Social learning and evolution: the cultural intelligence hypothesis

Social learning research outside the laboratory: How and why?