All Stories

  1. Outcomes of orangutan wild-to-wild translocations reveal conservation and welfare risks
  2. Saving the Tapanuli orangutan requires zero losses
  3. Modelling landscape connectivity change for chimpanzee conservation in Tanzania
  4. The environmental impacts of palm oil in context
  5. Corrigendum: A Severe Lack of Evidence Limits Effective Conservation of the World's Primates
  6. A Severe Lack of Evidence Limits Effective Conservation of the World's Primates
  7. Tapanuli orangutan endangered by Sumatran hydropower scheme
  8. Measuring disturbance at swift breeding colonies due to the visual aspects of a drone: a quasi-experiment study
  9. The global abundance of tree palms
  10. DNA Barcoding of Nematodes Using the MinION
  11. Spatial and temporal overlaps between leopards ( Panthera pardus ) and their competitors in the African large predator guild
  12. Grouping behavior of Sumatran orangutans ( Pongo abelii ) and Tapanuli orangutans ( Pongo tapanuliensis ) living in forest with low fruit abundance
  13. Scent-marking strategies of a solitary carnivore: boundary and road scent marking in the leopard
  14. Palm fruit colours are linked to the broad-scale distribution and diversification of primate colour vision systems
  15. Conservation and the social sciences: Beyond critique and co‐optation. A case study from orangutan conservation
  16. Does biodiversity benefit when the logging stops? An analysis of conservation risks and opportunities in active versus inactive logging concessions in Borneo
  17. Tropical forest and peatland conservation in Indonesia: Challenges and directions
  18. Spatio‐temporal factors impacting encounter occurrences between leopards and other large African predators
  19. Oil Palm (Elaeis guineensis) Mapping with Details: Smallholder versus Industrial Plantations and their Extent in Riau, Sumatra
  20. Effectiveness of unmanned aerial vehicles to detect Amazon dolphins
  21. Requirements and Limitations of Thermal Drones for Effective Search and Rescue in Marine and Coastal Areas
  22. Successful observation of orangutans in the wild with thermal-equipped drones
  23. Tourist photographs as a scalable framework for wildlife monitoring in protected areas
  24. Are We Capturing Faunal Intactness? A Comparison of Intact Forest Landscapes and the “Last of the Wild in Each Ecoregion”
  25. A global risk assessment of primates under climate and land use/cover scenarios
  26. Detecting ‘poachers’ with drones: Factors influencing the probability of detection with TIR and RGB imaging in miombo woodlands, Tanzania
  27. The Tapanuli orangutan: Status, threats, and steps for improved conservation
  28. Thermal Infrared Imaging from Drones Offers a Major Advance for Spider Monkey Surveys
  29. Thermal-Drones as a Safe and Reliable Method for Detecting Subterranean Peat Fires
  30. Optimizing observing strategies for monitoring animals using drone-mounted thermal infrared cameras
  31. Comparison of Plant Diversity and Phenology of Riverine and Mangrove Forests with Those of the Dryland Forest in Sabah, Borneo, Malaysia
  32. Orangutan populations are certainly not increasing in the wild
  33. Locating emergent trees in a tropical rainforest using data from an Unmanned Aerial Vehicle (UAV)
  34. Conservation Drones
  35. Small room for compromise between oil palm cultivation and primate conservation in Africa
  36. Adapting thermal-infrared technology and astronomical techniques for use in conservation biology
  37. Addressing environmental and atmospheric challenges for capturing high-precision thermal infrared data in the field of astro-ecology
  38. Primates in peril: the significance of Brazil, Madagascar, Indonesia and the Democratic Republic of the Congo for global primate conservation
  39. Orangutans venture out of the rainforest and into the Anthropocene
  40. Assessment of Chimpanzee Nest Detectability in Drone-Acquired Images
  41. Building relationships: how zoos and other partners can contribute to the conservation of wild orangutans Pongo spp
  42. Global Demand for Natural Resources Eliminated More Than 100,000 Bornean Orangutans
  43. Phylogenetic classification of the world’s tropical forests
  44. Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species
  45. Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species
  46. Location, location, location: considerations when using lightweight drones in challenging environments
  47. First integrative trend analysis for a great ape species in Borneo
  48. Proto-consonants were information-dense via identical bioacoustic tags to proto-vowels
  49. Adapting astronomical source detection software to help detect animals in thermal images obtained by unmanned aerial systems
  50. Mapping orangutan habitat and agricultural areas using Landsat OLI imagery augmented with unmanned aircraft system aerial photography
  51. Denial of long-term issues with agriculture on tropical peatlands will have devastating consequences
  52. Impending extinction crisis of the world’s primates: Why primates matter
  53. Ebola in great apes - current knowledge, possibilities for vaccination, and implications for conservation and human health
  54. Detecting industrial oil palm plantations on Landsat images with Google Earth Engine
  55. The Good Drone
  56. Fresh strategies to save orangutans
  57. Integrating technologies for scalable ecology and conservation
  58. Vocal fold control beyond the species-specific repertoire in an orang-utan
  59. An Introduction to Primate Conservation
  60. Correction: Corrigendum: Alternative futures for Borneo show the value of integrating economic and conservation targets across borders
  61. Community motivations to engage in conservation behavior to conserve the Sumatran orangutan
  62. New survey predicts steep declines for Sumatran orangutan
  63. Disparity in Onset Timing and Frequency of Flowering and Fruiting Events in Two Bornean Peat-Swamp Forests
  64. Locating chimpanzee nests and identifying fruiting trees with an unmanned aerial vehicle
  65. Correction for Slik et al., An estimate of the number of tropical tree species
  66. An estimate of the number of tropical tree species
  67. Alternative futures for Borneo show the value of integrating economic and conservation targets across borders
  68. Acoustic models of orangutan hand-assisted alarm calls
  69. Analysis of deforestation and protected area effectiveness in Indonesia: A comparison of Bayesian spatial models
  70. Mapping perceptions of species' threats and population trends to inform conservation efforts: the Bornean orangutan case study
  71. Speech-Like Rhythm in a Voiced and Voiceless Orangutan Call
  72. Anticipated climate and land-cover changes reveal refuge areas for Borneo's orang-utans
  73. Nature Conservation Drones for Automatic Localization and Counting of Animals
  74. Food mechanical properties, feeding ecology, and the mandibular morphology of wild orangutans
  75. Effect of repeated exposures and sociality on novel food acceptance and consumption by orangutans
  76. Will Oil Palm’s Homecoming Spell Doom for Africa’s Great Apes?
  77. Small Drones for Community-Based Forest Monitoring: An Assessment of Their Feasibility and Potential in Tropical Areas
  78. Coming down from the trees: Is terrestrial activity in Bornean orangutans natural or disturbance driven?
  79. Preliminary Data on the Highland Sumatran Orangutans (Pongo abelii) of Batang Toru
  80. Orangutan (Pongo spp.) whistling and implications for the emergence of an open-ended call repertoire: A replication and extension
  81. Correction: Population-Specific Use of the Same Tool-Assisted Alarm Call between Two Wild Orangutan Populations (Pongopygmaeus wurmbii) Indicates Functional Arbitrariness
  82. Reconciling Forest Conservation and Logging in Indonesian Borneo
  83. Large trees drive forest aboveground biomass variation in moist lowland forests across the tropics
  84. Population-Specific Use of the Same Tool-Assisted Alarm Call between Two Wild Orangutan Populations (Pongopygmaeus wurmbii) Indicates Functional Arbitrariness
  85. Predator guild does not influence orangutan alarm call rates and combinations
  86. Socioecological correlates of inter-individual variation in orangutan diets at Ketambe, Sumatra
  87. Understanding the Impacts of Land-Use Policies on a Threatened Species: Is There a Future for the Bornean Orang-utan?
  88. Marked Population Structure and Recent Migration in the Critically Endangered Sumatran Orangutan (Pongo abelii)
  89. Dawn of Drone Ecology: Low-Cost Autonomous Aerial Vehicles for Conservation
  90. SEASONAL MORTALITY PATTERNS IN NON-HUMAN PRIMATES: IMPLICATIONS FOR VARIATION IN SELECTION PRESSURES ACROSS ENVIRONMENTS
  91. Call Cultures in Orang-Utans?
  92. Effects of logging on orangutan behavior
  93. Hunting of Sumatran orang-utans and its importance in determining distribution and density
  94. Behavioral, Ecological, and Evolutionary Aspects of Meat-Eating by Sumatran Orangutans (Pongo abelii)
  95. Not by science alone: why orangutan conservationists must think outside the box
  96. Orangutan Instrumental Gesture-Calls: Reconciling Acoustic and Gestural Speech Evolution Models
  97. Soils on exposed Sunda Shelf shaped biogeographic patterns in the equatorial forests of Southeast Asia
  98. Forest Fruit Production Is Higher on Sumatra Than on Borneo
  99. Why Don't We Ask? A Complementary Method for Assessing the Status of Great Apes
  100. Which Factors Determine Orangutan Nests' Detection Probability along Transects?
  101. Sex-Biased Dispersal and Volcanic Activities Shaped Phylogeographic Patterns of Extant Orangutans (genus: Pongo)
  102. Review of geographic variation in terrestrial mammalian acoustic signals: Human speech variation in a comparative perspective
  103. Declining Orangutan Encounter Rates from Wallace to the Present Suggest the Species Was Once More Abundant
  104. Metabolic adaptation for low energy throughput in orangutans
  105. Estimating Orangutan Densities Using the Standing Crop and Marked Nest Count Methods: Lessons Learned for Conservation
  106. Diet traditions in wild orangutans
  107. Acoustic Properties of Long Calls Given by Flanged Male Orang-Utans (Pongo pygmaeus wurmbii) Reflect Both Individual Identity and Context
  108. Social learning of diet and foraging skills by wild immature Bornean orangutans: implications for culture
  109. Primates in Peril: The World's 25 Most Endangered Primates 2008–2010
  110. Decline of the Endangered Barbary macaque Macaca sylvanus in the cedar forest of the Middle Atlas Mountains, Morocco
  111. The future of forests and orangutans ( Pongo abelii ) in Sumatra: predicting impacts of oil palm plantations, road construction, and mechanisms for reducing carbon emissions from deforestation
  112. Tool use in wild orang-utans modifies sound production: a functionally deceptive innovation?
  113. Captive and wild orangutan (Pongosp.) survivorship: a comparison and the influence of management
  114. Nest building in orangutans
  115. Orangutan life history variation
  116. Orangutan distribution, density, abundance and impacts of disturbance
  117. Orangutan population biology, life history, and conservation
  118. A description of the orangutan's vocal and sound repertoire, with a focus on geographic variation
  119. The effects of forest phenology and floristics on populations of Bornean and Sumatran orangutans
  120. Geographic variation in orangutan diets
  121. Geographic variation in orangutan behavior and biology
  122. Geographical variation in orangutan long calls
  123. Orangutan activity budgets and diet
  124. Orangutans
  125. Ranging behavior of orangutan females and social organization
  126. The ecology of female reproduction in wild orangutans
  127. A case of spontaneous acquisition of a human sound by an orangutan
  128. Erratum
  129. Distribution and conservation status of the orang-utan (Pongo spp.) on Borneo and Sumatra: how many remain?
  130. Orangutan Long Call Degradation and Individuality Over Distance: A Playback Approach
  131. Fishing in Macaca fascicularis: A Rarely Observed Innovative Behavior
  132. ORIGINAL ARTICLE: Mammals of Borneo – small size on a large island
  133. Geographic variation in Thomas langur (Presbytis thomasi) loud calls
  134. Reproductive Life History Traits of Female Orangutans (Pongo spp.)
  135. Putting orang-utan population trends into perspective
  136. Demography and life history of Thomas langurs (Presbytis thomasi)
  137. Intestinal Parasites of Free-ranging, Semicaptive,and Captive Pongo abelii in Sumatra, Indonesia
  138. Familiarity and threat of opponents determine variation in Thomas langur (Presbytis thomasi) male behaviour during between-group encounters
  139. Dietary and Energetic Responses of Pongo abelii to Fruit Availability Fluctuations
  140. Frugivory in sun bears (Helarctos malayanus) is linked to El Niño-related fluctuations in fruiting phenology, East Kalimantan, Indonesia
  141. The development of wild immature Sumatran orangutans (Pongo abelii) at Ketambe
  142. Innovation in wild Bornean orangutans (Pongo pygmaeus wurmbii)
  143. Male monkeys remember which group members have given alarm calls
  144. A simple alternative to line transects of nests for estimating orangutan densities
  145. Female dispersal, inbreeding avoidance and mate choice in Thomas langurs (Presbytis thomasi)
  146. Life history of wild Sumatran orangutans (Pongo abelii)
  147. Mesoscale transect sampling of trees in the lomako–yekokora interfluvium, democratic republic of the Congo
  148. A comparison of orang-utan density in a logged and unlogged forest on Sumatra
  149. Determinants of orangutan density in the dryland forests of the Leuser Ecosystem
  150. Thomas Langurs (Presbytis thomasi) Discriminate Between Calls of Young Solitary Versus Older Group-living Males: a Factor in Avoiding Infanticide?
  151. Life-Phase Related Changes in Male Loud Call Characteristics and Testosterone Levels in Wild Thomas Langurs
  152. Possible audience effect in thomas langurs (primates;presbytis thomasi): An experimental study on male loud calls in response to a tiger model
  153. The status of the Sumatran orang-utan Pongo abelii: an update
  154. Individual and Contextual Variation in Thomas Langur Male Loud Calls
  155. Do male "long-distance calls" function in mate defense? A comparative study of long-distance calls in primates
  156. Seasonal movements in the Sumatran orangutan (Pongo pygmaeus abelii) and consequences for conservation
  157. Measuring fruit patch size for three sympatric indonesian primate species
  158. PLAYBACKS OF LOUD CALLS TO WILD THOMAS LANGURS (PRIMATES; PRESBYTIS THOMASI): THE EFFECT OF LOCATION
  159. PLAYBACKS OF LOUD CALLS TO WILD THOMAS LANGURS (PRIMATES; PRESBYTIS THOMASI): THE EFFECT OF FAMILIARITY
  160. The impact of El Niño on mast fruiting in Sumatra and elsewhere in Malesia
  161. TENURE RELATED CHANGES IN WILD THOMAS'S LANGURS II: LOUD CALLS
  162. Are Orang-Utan Females as Solitary as Chimpanzee Females?
  163. Arthrokinetic and vestibular information enhance smooth ocular tracking during linear (self-)motion