Professor Serge Wich

Saving the Tapanuli orangutan requires zero losses

• Oryx
• January 2021

Modelling landscape connectivity change for chimpanzee conservation in Tanzania

• Biological Conservation
• December 2020

The environmental impacts of palm oil in context

• Nature Plants
• December 2020

Corrigendum: A Severe Lack of Evidence Limits Effective Conservation of the World's Pri...

• BioScience
• November 2020

A Severe Lack of Evidence Limits Effective Conservation of the World's Primates

• BioScience
• August 2020

Tapanuli orangutan endangered by Sumatran hydropower scheme

• Nature Ecology & Evolution
• July 2020

Measuring disturbance at swift breeding colonies due to the visual aspects of a drone: ...

• Current Zoology
• July 2020

The global abundance of tree palms

• Global Ecology and Biogeography
• July 2020

DNA Barcoding of Nematodes Using the MinION

• Frontiers in Ecology and Evolution
• April 2020

Spatial and temporal overlaps between leopards ( Panthera pardus ...

• Journal of Zoology
• April 2020

Grouping behavior of Sumatran orangutans ( Pongo abelii ) and T...

• American Journal of Primatology
• March 2020

Scent-marking strategies of a solitary carnivore: boundary and road scent marking in th...

• Animal Behaviour
• March 2020

Palm fruit colours are linked to the broad-scale distribution and diversification of pr...

• Proceedings of the Royal Society B Biological Sciences
• February 2020

Conservation and the social sciences: Beyond critique and co‐optation. A case study fro...

• People and Nature
• January 2020

Does biodiversity benefit when the logging stops? An analysis of conservation risks and...

• Biological Conservation
• January 2020

Tropical forest and peatland conservation in Indonesia: Challenges and directions

• People and Nature
• November 2019

Spatio‐temporal factors impacting encounter occurrences between leopards and other larg...

• Journal of Zoology
• November 2019

Oil Palm (Elaeis guineensis) Mapping with Details: Smallholder versus Industrial Planta...

• Remote Sensing
• November 2019

Effectiveness of unmanned aerial vehicles to detect Amazon dolphins

• Oryx
• October 2019

Requirements and Limitations of Thermal Drones for Effective Search and Rescue in Marin...

• Drones
• October 2019

Successful observation of orangutans in the wild with thermal-equipped drones

• Journal of Unmanned Vehicle Systems
• September 2019

Tourist photographs as a scalable framework for wildlife monitoring in protected areas

• Current Biology
• July 2019

Are We Capturing Faunal Intactness? A Comparison of Intact Forest Landscapes and the “L...

• Frontiers in Forests and Global Change
• June 2019

A global risk assessment of primates under climate and land use/cover scenarios

• Global Change Biology
• May 2019

Detecting ‘poachers’ with drones: Factors influencing the probability of detection with...

• Biological Conservation
• May 2019

The Tapanuli orangutan: Status, threats, and steps for improved conservation

• Conservation Science and Practice
• April 2019

Thermal Infrared Imaging from Drones Offers a Major Advance for Spider Monkey Surveys

• Drones
• April 2019

Thermal-Drones as a Safe and Reliable Method for Detecting Subterranean Peat Fires

• Drones
• February 2019

Optimizing observing strategies for monitoring animals using drone-mounted thermal infr...

• International Journal of Remote Sensing
• January 2019

Comparison of Plant Diversity and Phenology of Riverine and Mangrove Forests with Those...

• January 2019

Orangutan populations are certainly not increasing in the wild

• Current Biology
• November 2018

Locating emergent trees in a tropical rainforest using data from an Unmanned Aerial Veh...

• International Journal of Applied Earth Observation and Geoinformation
• October 2018

Conservation Drones

• August 2018

Small room for compromise between oil palm cultivation and primate conservation in Africa

• Proceedings of the National Academy of Sciences
• August 2018

Adapting thermal-infrared technology and astronomical techniques for use in conservatio...

• July 2018

Addressing environmental and atmospheric challenges for capturing high-precision therma...

• July 2018

Primates in peril: the significance of Brazil, Madagascar, Indonesia and the Democratic...

• PeerJ
• June 2018

Orangutans venture out of the rainforest and into the Anthropocene

• Science Advances
• June 2018

Assessment of Chimpanzee Nest Detectability in Drone-Acquired Images

• Drones
• April 2018

Building relationships: how zoos and other partners can contribute to the conservation ...

• International Zoo Yearbook
• March 2018

Global Demand for Natural Resources Eliminated More Than 100,000 Bornean Orangutans

• Current Biology
• March 2018

Phylogenetic classification of the world’s tropical forests

• Proceedings of the National Academy of Sciences
• February 2018

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

• Current Biology
• November 2017

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

• Current Biology
• November 2017

Location, location, location: considerations when using lightweight drones in challengi...

• Remote Sensing in Ecology and Conservation
• August 2017

First integrative trend analysis for a great ape species in Borneo

• Scientific Reports
• July 2017

Proto-consonants were information-dense via identical bioacoustic tags to proto-vowels

• Nature Human Behaviour
• February 2017

Adapting astronomical source detection software to help detect animals in thermal image...

• International Journal of Remote Sensing
• February 2017

Mapping orangutan habitat and agricultural areas using Landsat OLI imagery augmented wi...

• International Journal of Remote Sensing
• January 2017

Denial of long-term issues with agriculture on tropical peatlands will have devastating...

• Global Change Biology
• January 2017

Impending extinction crisis of the world’s primates: Why primates matter

• Science Advances
• January 2017

Ebola in great apes - current knowledge, possibilities for vaccination, and implication...

• Mammal Review
• December 2016

Detecting industrial oil palm plantations on Landsat images with Google Earth Engine

• Remote Sensing Applications Society and Environment
• October 2016

The Good Drone

• August 2016

Fresh strategies to save orangutans

• Nature
• July 2016

Integrating technologies for scalable ecology and conservation

• Global Ecology and Conservation
• July 2016

Vocal fold control beyond the species-specific repertoire in an orang-utan

• Scientific Reports
• July 2016

An Introduction to Primate Conservation

• June 2016

Correction: Corrigendum: Alternative futures for Borneo show the value of integrating e...

• Nature Communications
• June 2016

Community motivations to engage in conservation behavior to conserve the Sumatran orang...

• Conservation Biology
• April 2016

New survey predicts steep declines for Sumatran orangutan

• Science Advances
• March 2016

Disparity in Onset Timing and Frequency of Flowering and Fruiting Events in Two Bornean...

• Biotropica
• October 2015

Locating chimpanzee nests and identifying fruiting trees with an unmanned aerial vehicle

• American Journal of Primatology
• July 2015

Correction for Slik et al., An estimate of the number of tropical tree species

• Proceedings of the National Academy of Sciences
• July 2015

An estimate of the number of tropical tree species

• Proceedings of the National Academy of Sciences
• June 2015

Alternative futures for Borneo show the value of integrating economic and conservation ...

• Nature Communications
• April 2015

Acoustic models of orangutan hand-assisted alarm calls

• Journal of Experimental Biology
• March 2015

Analysis of deforestation and protected area effectiveness in Indonesia: A comparison o...

• Global Environmental Change
• March 2015

Mapping perceptions of species' threats and population trends to inform conservation ef...

• Diversity and Distributions
• January 2015

Speech-Like Rhythm in a Voiced and Voiceless Orangutan Call

• PLoS ONE
• January 2015

Anticipated climate and land-cover changes reveal refuge areas for Borneo's orang-utans

• Global Change Biology
• January 2015

Nature Conservation Drones for Automatic Localization and Counting of Animals

• January 2015

Food mechanical properties, feeding ecology, and the mandibular morphology of wild oran...

• Journal of Human Evolution
• October 2014

Effect of repeated exposures and sociality on novel food acceptance and consumption by ...

• Primates
• September 2014

Will Oil Palm’s Homecoming Spell Doom for Africa’s Great Apes?

• Current Biology
• July 2014

Small Drones for Community-Based Forest Monitoring: An Assessment of Their Feasibility ...

• Forests
• June 2014

Coming down from the trees: Is terrestrial activity in Bornean orangutans natural or di...

• Scientific Reports
• February 2014

Preliminary Data on the Highland Sumatran Orangutans (Pongo abelii) of Batang Toru

• November 2013

Orangutan (Pongo spp.) whistling and implications for the emergence of an open-ended ca...

• The Journal of the Acoustical Society of America
• September 2013

Correction: Population-Specific Use of the Same Tool-Assisted Alarm Call between Two Wi...

• PLoS ONE
• August 2013

Reconciling Forest Conservation and Logging in Indonesian Borneo

• PLoS ONE
• August 2013

Large trees drive forest aboveground biomass variation in moist lowland forests across ...

• Global Ecology and Biogeography
• July 2013

Population-Specific Use of the Same Tool-Assisted Alarm Call between Two Wild Orangutan...

• PLoS ONE
• July 2013

Predator guild does not influence orangutan alarm call rates and combinations

• Behavioral Ecology and Sociobiology
• December 2012

Socioecological correlates of inter-individual variation in orangutan diets at Ketambe,...

• Behavioral Ecology and Sociobiology
• December 2012

Understanding the Impacts of Land-Use Policies on a Threatened Species: Is There a Futu...

• PLoS ONE
• November 2012

Marked Population Structure and Recent Migration in the Critically Endangered Sumatran ...

• Journal of Heredity
• October 2012

Dawn of Drone Ecology: Low-Cost Autonomous Aerial Vehicles for Conservation

• Tropical Conservation Science
• June 2012

SEASONAL MORTALITY PATTERNS IN NON-HUMAN PRIMATES: IMPLICATIONS FOR VARIATION IN SELECT...

• Evolution
• May 2012

Call Cultures in Orang-Utans?

• PLoS ONE
• May 2012

Effects of logging on orangutan behavior

• Biological Conservation
• February 2012

Hunting of Sumatran orang-utans and its importance in determining distribution and density

• Biological Conservation
• February 2012

Behavioral, Ecological, and Evolutionary Aspects of Meat-Eating by Sumatran Orangutans ...

• International Journal of Primatology
• January 2012

Not by science alone: why orangutan conservationists must think outside the box

• Annals of the New York Academy of Sciences
• December 2011

Orangutan Instrumental Gesture-Calls: Reconciling Acoustic and Gestural Speech Evolutio...

• Evolutionary Biology
• December 2011

Soils on exposed Sunda Shelf shaped biogeographic patterns in the equatorial forests of...

• Proceedings of the National Academy of Sciences
• July 2011

Forest Fruit Production Is Higher on Sumatra Than on Borneo

• PLoS ONE
• June 2011

Why Don't We Ask? A Complementary Method for Assessing the Status of Great Apes

• PLoS ONE
• March 2011

Which Factors Determine Orangutan Nests' Detection Probability along Transects?

• Tropical Conservation Science
• March 2011

Sex-Biased Dispersal and Volcanic Activities Shaped Phylogeographic Patterns of Extant ...

• Molecular Biology and Evolution
• February 2011

Review of geographic variation in terrestrial mammalian acoustic signals: Human speech ...

• Journal of Evolutionary Psychology
• December 2010

Declining Orangutan Encounter Rates from Wallace to the Present Suggest the Species Was...

• PLoS ONE
• August 2010

Metabolic adaptation for low energy throughput in orangutans

• Proceedings of the National Academy of Sciences
• August 2010

Estimating Orangutan Densities Using the Standing Crop and Marked Nest Count Methods: L...

• Biotropica
• May 2010

Diet traditions in wild orangutans

• American Journal of Physical Anthropology
• May 2010

Acoustic Properties of Long Calls Given by Flanged Male Orang-Utans (Pongo pygmaeus wur...

• Ethology
• May 2010

Social learning of diet and foraging skills by wild immature Bornean orangutans: implic...

• American Journal of Primatology
• January 2010

Primates in Peril: The World's 25 Most Endangered Primates 2008–2010

• Primate Conservation
• November 2009

Decline of the Endangered Barbary macaque Macaca sylvanus in the cedar forest of the Mi...

• Oryx
• October 2009

The future of forests and orangutans ( Pongo abelii ...

• Environmental Research Letters
• September 2009

Tool use in wild orang-utans modifies sound production: a functionally deceptive innova...

• Proceedings of the Royal Society B Biological Sciences
• August 2009

Captive and wild orangutan (Pongosp.) survivorship: a comparison and the influence of m...

• American Journal of Primatology
• August 2009

Nest building in orangutans

• December 2008

Orangutan life history variation

• December 2008

Orangutan distribution, density, abundance and impacts of disturbance

• December 2008

Orangutan population biology, life history, and conservation

• December 2008

A description of the orangutan's vocal and sound repertoire, with a focus on geographic...

• December 2008

The effects of forest phenology and floristics on populations of Bornean and Sumatran o...

• December 2008

Geographic variation in orangutan diets

• December 2008

Geographic variation in orangutan behavior and biology

• December 2008

Geographical variation in orangutan long calls

• December 2008

Orangutan activity budgets and diet

• December 2008

Orangutans

• December 2008

Ranging behavior of orangutan females and social organization

• December 2008

The ecology of female reproduction in wild orangutans

• December 2008

A case of spontaneous acquisition of a human sound by an orangutan

• Primates
• December 2008

Erratum

• Oryx
• October 2008

Distribution and conservation status of the orang-utan ( Pongo spp.) on Borneo and Suma...

• Oryx
• July 2008

Orangutan Long Call Degradation and Individuality Over Distance: A Playback Approach

• International Journal of Primatology
• June 2008

Fishing in Macaca fascicularis: A Rarely Observed Innovative Behavior

• International Journal of Primatology
• April 2008

Geographic variation in Thomas langur (Presbytis thomasi) loud calls

• American Journal of Primatology
• January 2008

Reproductive Life History Traits of Female Orangutans (Pongo spp.)

• January 2008

ORIGINAL ARTICLE: Mammals of Borneo - small size on a large island

• Journal of Biogeography
• December 2007

Putting orang-utan population trends into perspective

• Current Biology
• July 2007

Demography and life history of Thomas langurs (Presbytis thomasi)

• American Journal of Primatology
• June 2007

Intestinal Parasites of Free-ranging, Semicaptive,and Captive Pongo abelii in Sumatra, ...

• International Journal of Primatology
• April 2007

Familiarity and threat of opponents determine variation in Thomas langur (Presbytis tho...

• Behaviour
• January 2007

Dietary and Energetic Responses of Pongo abelii to Fruit Availability Fluctuations

• International Journal of Primatology
• December 2006

Frugivory in sun bears (Helarctos malayanus) is linked to El Niño-related fluctuations ...

• Biological Journal of the Linnean Society
• October 2006

The development of wild immature Sumatran orangutans (Pongo abelii) at Ketambe

• Primates
• May 2006

Innovation in wild Bornean orangutans (Pongo pygmaeus wurmbii)

• Behaviour
• January 2006

Male monkeys remember which group members have given alarm calls

• Proceedings of the Royal Society B Biological Sciences
• December 2005

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

• Primates
• June 2005

Female dispersal, inbreeding avoidance and mate choice in Thomas langurs (Presbytis tho...

• Behaviour
• January 2005

Life history of wild Sumatran orangutans (Pongo abelii)

• Journal of Human Evolution
• December 2004

Mesoscale transect sampling of trees in the lomako–yekokora interfluvium, democratic re...

• Biodiversity and Conservation
• December 2004

A comparison of orang-utan density in a logged and unlogged forest on Sumatra

• Biological Conservation
• November 2004

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

• Primates
• April 2004

Thomas Langurs (Presbytis thomasi) Discriminate Between Calls of Young Solitary Versus ...

• Behaviour
• January 2004

Life-Phase Related Changes in Male Loud Call Characteristics and Testosterone Levels in...

• International Journal of Primatology
• December 2003

Possible audience effect in thomas langurs (primates;presbytis thomasi): An experimenta...

• American Journal of Primatology
• August 2003

The status of the Sumatran orang-utan Pongo abelii: an update

• Oryx
• January 2003

Individual and Contextual Variation in Thomas Langur Male Loud Calls

• Ethology
• December 2002

Do male "long-distance calls" function in mate defense? A comparative study of long-dis...

• Behavioral Ecology and Sociobiology
• November 2002

Seasonal movements in the Sumatran orangutan (Pongo pygmaeus abelii) and consequences f...

• Biological Conservation
• September 2002

Measuring fruit patch size for three sympatric indonesian primate species

• Primates
• March 2002

PLAYBACKS OF LOUD CALLS TO WILD THOMAS LANGURS (PRIMATES; PRESBYTIS THOMASI): THE EFFEC...

• Behaviour
• January 2002

PLAYBACKS OF LOUD CALLS TO WILD THOMAS LANGURS (PRIMATES; PRESBYTIS THOMASI): THE EFFEC...

• Behaviour
• January 2002

The impact of El Niño on mast fruiting in Sumatra and elsewhere in Malesia

• Journal of Tropical Ecology
• July 2000

TENURE RELATED CHANGES IN WILD THOMAS'S LANGURS II: LOUD CALLS

• Behaviour
• January 1999

Are Orang-Utan Females as Solitary as Chimpanzee Females?

• Folia Primatologica
• January 1999

• International Journal of Primatology
• January 1997

Arthrokinetic and vestibular information enhance smooth ocular tracking during linear (...

• Experimental Brain Research
• September 1994