American Journal of Primatology

Article	Citations
Age‐related changes in hematological biomarkers in common marmosets	24
Best practices are never best: Evaluating primate conservation education programs (PCEPs) with a decolonial perspective	24
Developmental and environmental modulation of fecal thyroid hormone levels in wild Assamese macaques (Macaca assamensis)	24
Population densities ofHylobates agilisin forests with different disturbance histories in Ulu Muda Forest Reserve, Malaysia	21
Manual preference, performance, and dexterity for bimanual grass‐feeding behavior in wild geladas (Theropithecus gelada)	19
Issue Information	19
A composite menstrual cycle of captive orangutans, with associated hormonal and behavioral variability	19
MonkeyMemoirs: Wild Life in an Amazon Wilderness By Thomas R. Defler, Vaupés, Colombia: Huacu Press, 2025. List price $40.00. (Paperback). ISBN: 979‐8‐30‐678374‐1	18
Obituary and tributes: William Alvin Mason (1926−2023)	18
Rhesus monkey sociality is stable across time and linked to variation in the initiation but not receipt of prosocial behavior	17
Physiologic Consequences of Housing Adult Male Cynomolgus Monkeys (Macaca fascicularis) in Heterosexual Pairs: A Pilot Study Using Implanted Biotelemetry	17
Issue Information	15
Observational approaches to chimpanzee behavior in an African sanctuary: Implications for research, welfare, and capacity‐building	15
The importance of auditory, olfactory, and visual cues for insect foraging in owl monkeys (Aotus nancymaae)	15
Is Extended Lactation Nutritionally Important for the Weaning of Wild Toque Macaques, Macaca sinica? Evidence From Milk Composition	14
Assessing Gestation and Fetal Sex in Wild Assamese Macaques Using Urinary Estrogen Analysis	14
Collective Acoustics in Pan: Conserved Roots in the Evolution of Human Musicality	14
Passive acoustic monitoring using smartphones reveals an alarming gibbon decline in a protected area in the central Annamite Mountains, Vietnam	14
Wild Tibetan Macaques Use a Route‐Based Mental Map to Navigate in Large‐Scale Space	13
Dental Fluctuating Asymmetry: Environmental Factors Influencing Cayo Santiago Rhesus Macaque ( Macaca mulatta ) Dental Development	13
Plant secondary metabolites and primate food choices: A meta‐analysis and future directions	13
A habitat stronghold on the precipice: A call‐to‐action for supporting lemur conservation in northeast Madagascar	12
Stone Tool Use by Black‐Horned Capuchin Monkeys (Sapajus nigritus cucullatus) in an Urban Park in Londrina, Brazil	12
Seasonality of reproduction in wild cotton‐top tamarins (Saguinus oedipus) in Colombia	11
Retracted: Tarsier islands: Exploring patterns of variation in tarsier duets from offshore islands of North Sulawesi	11

The social and defensive function of olfactory behaviors in a pair‐living sexually monogamous primate	11
Feeding Platforms as an Effective Strategy to Prevent the Consumption of Refuse by Urban Populations of Capuchin Monkeys (Sapajus libidinosus)	11
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Does Knowledge of the Partner's Need Affect Food Sharing in Tufted Capuchin Monkeys?	10
Use of Nonhuman Primates in Periodontal Disease Research: Contribution of the Caribbean Primate Research Center and Cayo Santiago Rhesus Colony	10
Impacts of climate change and habitat loss on the distribution of the endangered crested capuchin monkey (Sapajus robustus)	10
Bared‐teeth displays in bonobos (Pan paniscus): An assessment of the power asymmetry hypothesis	10
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Selectivity in Buttress Drumming Tree Properties Among Chimpanzees (Pan troglodytes schweinfurthii) of the Waibira Community in Budongo Forest, Uganda	10
Developmental milestones in captive Galago moholi	10
The 10th anniversary of the scientific description of the black snub‐nosed monkey (Rhinopithecus strykeri): It is time to initiate a set of new management strategies to save this critically end	9
Individual differences in sociocognitive traits in semi‐free‐ranging rhesus monkeys (Macaca mulatta)	9
Supplementation With Human Foods Affects the Gut Microbiota of Wild Howler Monkeys	9
In vitro digestion and fermentation of Japanese macaque (Macaca fuscata) food: The influence of food type and particle size	9
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Fifty+ years of primate research illustrates complex drivers of abundance and increasing primate numbers	8
Maternal and offspring behavior in free‐ranging Japanese and moor macaques: A comparative approach	8
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A decade of proboscis monkey (Nasalis larvatus) population monitoring in Balikpapan Bay: Confronting predictions with empirical data	8
Cortisol levels across the lifespan in common marmosets (Callithrix jacchus)	8
Issue Information	8
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Yawn contagion in bonobos: Another group, another story	8
Masthead	7
Capuchin monkeys' (Sapajus [Cebus] apella) categorization of photos of unknown male conspecifics suggests attention to fWHR and a dominance bias	7
Variation in Maternal Effort, Activity Budgets, and Feeding Behavior in Wild Saddleback Tamarins (Leontocebus weddelli) in Northwestern Bolivia	7
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Ontogenesis of sociability of wild immature capuchin monkeys (Sapajus libidinosus): Sex more than personality explains interindividual variation	7
Program of the Forty‐Fifth Meeting of The American Society of Primatologists	7
Correction to Naïve orangutans (Pongo abelii and Pongo pygmaeus) individually acquire nut‐cracking using hammer tools	7
Energetic Priorities Across the Stages of Development: Effects of Age, Sex, and Seasonal Reproduction on Activity Budgets in Verreaux's sifaka (Propithecus verreauxi)	7
The relationship of maternal rank, 5‐HTTLPR genotype, and MAOA‐LPR genotype to temperament in infant rhesus monkeys (Macaca mulatta)	7
Using Deep Learning to Automate Orangutan Nest Detections on Aerial Images Collected With Drones	6
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Polyadic Grooming Patterns and Network in a Free‐Ranging Group of Japanese Macaques at Awajishima	6
Is the long‐tailed macaque at risk of extinction?	6
Influence of COVID‐19 on the emergence of stone‐tool use behavior in a population of common long‐tailed macaques (Macaca fascicularis fascicularis) in Thailand	6
Validation of Body Condition Scoring as a Screening Test for Low Body Condition and Obesity in Common Marmosets (Callithrix jacchus)	6
Application of a parallel laser apparatus to measure forearms and flanges of wild Bornean orangutans (Pongo pygmaeus wurmbii)	6
Pied tamarins change their vocal behavior in response to noise levels in the largest city in the Amazon	6
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Anthropogenic effects on body size and growth in lab‐reared and free‐ranging Macaca mulatta	6
Teeth Baring as a Model to Understand Complex Facial Signals in a Tolerant Macaque Species	6
Habitual ground nesting in the Bugoma Forest chimpanzees ( Pan troglodytes schweinfurthii ), Uganda	6
Issue Information	5
Linking glucocorticoid variations to monthly and daily behavior in a wild endangered neotropical primate	5
Absence of Blood Chimerism in Twin Goeldi's Monkeys (Callimico goeldii): Implications for Interpreting Callitrichid Phylogeny	5
Unveiling the Evolutionary History of cis‐Andean Alouatta (Atelidae, Alouattinae) Through Mitochondrial Genomes	5

State‐dependent risky choices in primates: Variation in energy budget does not affect tufted capuchin monkeys' (Sapajus spp.) risky choices	5
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Issue Information	5
Temperature‐Related Differences in Hair Cortisol Among Outdoor‐Housed Rhesus Macaques (Macaca mulatta)	5
Social Rank, Female Competition for Food, and Behavioral Time‐Budgets in the Golden Snub‐Nosed Monkey Rhinopithecus roxellana Multi‐Level Society	5
Male chimpanzee sexual coercion and mating success at Ngogo	5
Avoiding Cognitive Trap in Habitat Restoration: A Case Study of the World's Rarest Primate	5
How individual, social, and ecological conditions influence dispersal decisions in male vervet monkeys	5
Oesophagostomum stephanostomum causing parasitic granulomas in wild chimpanzees (Pan troglodytes verus) of Taï National Park, Côte d'Ivoire	5
Habitat use by the island lemurs of Nosy Be, Madagascar	5
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Estimation of White‐Handed Gibbon Density and Population Size in Huai Kha Khaeng Wildlife Sanctuary, Western Thailand	5
Increased physical activity is not related to markers of cardiometabolic health in two lemur species	5
Issue Information	5
Investigating infant feeding development in wild chimpanzees using stable isotopes of naturally shed hair	5
Pigtail Macaque (Macaca nemestrina) Performance Differs Across Multiple Cognitive Domains in Comparison to Rhesus Macaques (Macaca mulatta)	5
Dietary flexibility of the greater bamboo lemur (Prolemur simus), a specialized feeder, in eastern Madagascar	5
Issue Information	5
Assessing color cues of development, breeding status and reproductive condition in captive golden lion tamarins (Leontopithecus rosalia)	5
Yawn Contagion and Modality‐Matching in the Female‐Bonded Society of Geladas (Theropithecus gelada)	5
CSViewer for Analysts: II. Analytic Tools and Visualization of Founder Lineages, Social Groups, and Reproduction Dynamics of the Cayo Santiago Rhesus Macaque Colony	5
Charles T. Snowdon (Chuck) 1941–2023	5
Issue Information	4
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Stable Isotopes Analysis of Black Lion Tamarins Reveals Increasing Arthropod Consumption When Fruit Productivity Decreases in Forest Fragments	4
Is Primate Cone Ratio Variation Functional and Adaptive?	4
Taphonomy of harpy eagle predation on primates and other mammals	4
A novel methodological approach for group classification during fission of a semi‐free‐ranging group of Japanese macaques (Macaca fuscata)	4
Mitochondrial DNA for Phylogeny Building: Assessing Individual and Grouped mtGenes as Proxies for the mtGenome in Platyrrhines	4
Sexual Signaling and Sociosexual Behaviors in Relation to Rank, Parasites, Hormones, and Age in Male Vervet Monkeys (Chlorocebus pygerythrus) in Uganda	4
Coming to the Caribbean: Eighty‐five years of rhesus macaques (Macaca mulatta) at Cayo Santiago—A rare nonhuman primate model for the studies of adaptation, diseases, genetics, natural disaster	4
Social and nonsocial stimuli alter the performance of bonobos during a pictorial emotional Stroop task	4
Trigger of twin‐fights in captive common marmosets	4
Quantitative Analysis of the Carpal Tunnel and Its Inner Structures in Primates	4
Establishment and Validation of Fecal Secretory Immunoglobulin A Measurement for Intestinal Mucosal Health Assessment in Wild Lemurs	4
Losing lemurs: Declining populations and land cover changes over space and time	4
Male Infanticide in the Northern Purple‐Faced Langur (Semnopithecus vetulus Philbricki) in the Kaludiyapukuna Forest Reserve, Sri Lanka	4
An effect of canopy bridges on monkey‐vehicle collision hotspots: Spatial and spatiotemporal analyses	4
Comparing the Performances of Chimpanzees (Pan troglodytes) and Gorillas (Gorilla gorilla gorilla) in Two Self‐Awareness Tasks	4
Camera traps unveil demography, social structure, and home range of six unhabituated Western chimpanzee groups in the Moyen Bafing National Park, Guinea	4
Issue Information	4
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Identification of potentially zoonotic parasites in captive orangutans and semi‐captive mandrills: Phylogeny and morphological comparison	4
The development of sex differences in play in wild white‐faced capuchins ( Cebus capucinus )	4
Do zoo‐housed primates retreat from crowds? A simple study of five primate species	4
Issue Information	4
Primate conservation: A public issue?	4
Cognitive performance of grey mouse lemurs (Microcebus murinus) during a discrimination learning task: Effect of the emotional valence of stimuli	4
Advancing primate surveillance with image recognition techniques from unmanned aerial vehicles	4
Urinary C‐peptide and total triiodothyronine as energetic biomarkers for studies of lemurs	3
Diet and seed dispersal of bearded capuchin monkeys (Sapajus libidinosus) in Brasilia National Park	3
Survival rates and mortality risks of Plecturocebus cupreus at the California National Primate Research Center	3
Estimating Abundance of Crop‐Foraging Primates in Anthropogenic Landscapes Using Camera Traps	3
The impact of housing on birth outcomes in breeding macaque groups across multiple research centers	3
Greetings among female chimpanzees in Mahale, Tanzania	3
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Influence of landscape structure on previous exposure to Leptospira spp. and Brucella abortus in free‐living neotropical primates from southern Brazil	3
Zoo studies in primate physiology, health, and welfare	3
Primates and disability: Behavioral flexibility and implications for resilience to environmental change	3
Is it for real? Structural differences between play and real fighting in adult chimpanzees (Pan troglodytes)	3
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Performance of autonomous recorders to detect a cryptic and endangered primate species, the black lion‐tamarin (Leontopithecus chrysopygus)	3
Identification of Leishmania infantum and Leishmania braziliensis in captive primates from a zoo in Brazil	3
Masthead	3
Development and assessment of a stair ascension challenge as a measure of aging and physical function in nonhuman primates	3
Edge effects and social behavior in three platyrrhines	3
Survey‐rated personality traits and experimentally measured coping style and stress reactivity, in wild baboons	3
Prosocial or photo preferences? Gorillas' prosocial choices using a touchscreen	3
Issue Information	3
Object Manipulation and Tool Use to Access Water by Urban Robust Capuchin Monkeys ( Sapajus sp.) in Southern Brazil	3
Fruit Availability and Maternal Energy Expenditure Associated With Infant Independence in an Arboreal Primate (Colobus angolensis ruwenzorii)	3
Sniffing behavior of semi free‐ranging Barbary macaques ( Macaca sylvanus )	3
Food availability and male deference in the female‐dominant ring‐tailed lemur, Lemur catta	3
Using 3D Photogrammetry to Quantify Usable Space in Zoo‐Housed Primate Habitats	3
Rhesus macaque fetal and placental growth demographics: A resource for laboratory animal researchers	3
Dominance and social interaction patterns in brown capuchin monkey (Cebus [Sapajus] apella) social networks	3
Why Didn't the Sifaka Cross the Road? Divergence of Propithecus edwardsi Gut Microbiomes Across Geographic Barriers in Ranomafana National Park, Madagascar	3
Review of Primates in Anthropogenic Landscapes: Exploring Primate Behavioural Flexibility Across Human Contexts, Edited by TracieMcKinney, SiânWaters, Michelle A.Rodrigues. Cham, Switzerland: S	3

Issue Information	3
What we know and don't know about great ape cultural communication in the wild	3
Variation in monthly and seasonal elevation use impacts behavioral and dietary flexibility in Rhinopithecus bieti	3
Detection of Filariid Infections in Mexican Primate Populations Through qPCR	3
Erratum to Primate cognition in zoos: Reviewing the impact of zoo‐based research over 15 years	3
Repeatability of measures of behavioral organization over two years in captive infant rhesus macaques, Macaca mulatta	3
Food Distribution, But Not Market Forces, Predict Behavioral Social Tolerance in Rhesus Macaques	3
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Chimpanzee Activity and Behavioral Diversity Extends Across 24 Hours in Both Captive and Wild Settings	3
Re‐Evaluating the Demographic History of, and Inferring the Fine‐Scale Recombination Landscape For, Wild Chinese Rhesus Macaques ( Macaca mulatta )	3
Heritability in the Rhesus Macaque (Macaca mulatta) Vertebral Column	3
Program of the Forty‐Third Meeting of The American Society of Primatologists	3
The Earliest Known Radiation of Pitheciine Primates	3
Issue Information	2
The ability to inhibit impulses is related to social behavior in long‐tailed macaques	2
Age‐Related Changes in Marmoset (Callithrix jacchus) Feeding Behavior and Physiology: Insights of Masticatory and Swallowing Functions	2
The Ontogeny of “Twitter” Calls in White‐Faced Capuchins (Cebus imitator): Usage, Context, and Acoustic Structure	2
Phylogeography, genetic diversity, and intraspecific genetic structure of the black‐horned capuchin (Sapajus nigritus)	2
Highs and Lows of Arboreal Life: Space use and Movement Strategies of Lion‐Tailed Macaques (Macaca silenus) in the Western Ghats of India	2
Ecological and genetic variables co‐vary with social group identity to shape the gut microbiome of a pair‐living primate	2
Beware! Different methods lead to divergent results on yawn contagion modulation in bonobos	2
Chemical cues of identity and reproductive status in Japanese macaques	2
Habitat and ecological niche characteristics of the elusive Hairy‐eared Dwarf Lemur (Allocebus trichotis) with updated occurrence and geographic range data	2
Nutrient balancing in a fruit‐specialist primate, the black‐and‐white ruffed lemur (Varecia variegata)	2
Can we eliminate the primate pet trade in the United States?	2
How Do Common Marmosets Maintain the Balance Between Response Execution and Action Inhibition?	2
COVID‐19 in a common woolly monkey (Lagothrix lagothricha): First evidence of fatal outcome in a nonhuman primate after natural SARS‐CoV‐2 infection	2
Behavioral adjustments of endangered Barbary macaques (Macaca sylvanus) living at the edge of an agricultural landscape in Morocco	2
Improving transparency—A call to include social housing information in biomedical research articles involving nonhuman primates	2
Issue Information	2
Expanded distribution and predicted suitable habitat for the critically endangered yellow‐tailed woolly monkey ( Lagothrix flavicauda ) in Perú	2
Emotional states following grooming in female mandrills	2
Examining predictive meteorological variables in the singing behavior of northern white‐cheeked gibbons (Nomascus leucogenys) in northern Lao PDR	2
Social tension after grooming in wild Japanese macaques (Macaca fuscata yakui) is sex specific and sensitive to social relationships	2
Effects of forest fragmentation on the dietary ecology and activity of a nocturnal lemur community in North West Madagascar	2
Factors Affecting the Diet and Activity Budget of Wild Tibetan Macaques (Macaca thibetana)	2
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Anxiety in Geoffroy's spider monkeys (Ateles geoffroyi): Can scratching be used as an indicator?	2
Dental findings in wild great apes from macerated skull analysis	2
Evaluating genital skin color as a putative sexual signal in wild saddleback (Leontocebus weddelli) and emperor (Saguinus imperator) tamarins	2
In memory of our mentor: Frans de Waal (1948–2024)	2
Activity budget and seasonal activity shifts in sympatric lemurs: Increased lean season effort in a cathemeral frugivore contrasts with energy conservation in a diurnal folivore	2
Do zoo animals use off‐exhibit areas to avoid noise? A case study exploring the influence of sound on the behavior, physiology, and space use of two pied tamarins (Saguinus bicolor)	2
Obituary: Gary D. Mitchell, Sr	2
Estimating the Abundance of Widely Distributed Primates	2
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Preliminary isotopic assessment of weaning in bonobos shows evidence for extended nursing, sibling competition and invested first‐time mothers	2
Evaluating the impact of environmental education around Ranomafana National Park	2
Urinary Estradiol in Captive Bonobos: Variation With Reproductive State and Sexual Swelling	2
Issue Information	2
Early‐life behavioral features are associated with chronic emesis in rhesus macaques (Macaca mulatta)	2
Where the small things are: Modelling edge effects on mouse lemur population density and distribution in northwestern Madagascar	2
Correction to “Leopard predation on gelada monkeys at Guassa, Ethiopia”	2
Mothers of disabled infants had higher cortisol levels in a free‐ranging group of Japanese macaques (Macaca fuscata)	2
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A Reassessment of the Genomic Ancestry of the World's Largest Captive Baboon Colony	2
Examining postmounting grooming in male golden snub‐nosed monkeys to investigate the functions of same‐sex mounts	2
Personality Assessment of Synanthropic Rhesus Macaques: Implications and Challenges	2
Initial compatibility during a “Speed‐Dating” test predicts postpairing affiliation in titi monkeys (Plecturocebus cupreus)	2
Present and Future: Using Ecological Niche Modeling to Understand the Conservation Status of Alouatta caraya (Primates, Atelidae) and Promote Its Protection	2
Urine washing in urban robust capuchin monkeys (Sapajus sp.): The relation with visitors	2
Flexible grouping patterns in a western and eastern chimpanzee community	2
Behavioral and physiological response to inequity in bonobos (Pan paniscus)	2
Eat the fruit earlier: Sakis (Pithecia chrysocephala) show enhanced temporal fruit resource access compared with squirrel monkeys (Saimiri sciureus) in an urban forest fragment in Brazil	2
Drinking frequency in wild lactating chimpanzees (Pan troglodytes schweinfurthii) and their offspring	2
Inquiring Pant‐Hoots in Wild Chimpanzees and the Role of Social Bonds and Group Cohesion	2
Correction to “Neutrophil to Lymphocyte Ratio in Captive Olive Baboons (Papio anubis): The Effects of Age, Sex, Rearing, Stress, and Pregnancy”	2
The impacts of seasonal variation and climate on food utilization in a population of critically endangered cotton‐top tamarins (Saguinus oedipus) in Colombia: A 22‐year longitudinal study	2
Issue Information	2
Alternative reproductive tactics of unflanged and flanged male orangutans revisited	2
An urgent call‐to‐action to protect the nonhuman primates and Indigenous Peoples of the Brazilian Amazon	2
Issue Information	2
Eyeblink rate as an indicator of concentration on grooming in Japanese macaques (Macaca fuscata)	2
Landscape and conservation genetics of western black crested gibbons (Nomascus concolor) in China	2
Rare Long‐Term Data Reveal the Seasonal Dietary Plasticity of Mandrills (Mandrillus sphinx) in Response to Fruiting Tree Phenology	2
Multiple Motivations: Agonistic Coalitions and Interventions in Blue Monkeys	1
Hand preference in wild crab‐eating capuchin monkeys (Sapajus libidinosus) in the coastal area of Northest Brazil	1
Bioacoustic monitoring to determine addiction levels of primates to the human sphere: A feasibility study on Japanese macaques	1
Pairing a user‐friendly machine‐learning animal sound detector with passive acoustic surveys for occupancy modeling of an endangered primate	1
Ultrasound evaluation of normal rhesus macaque fetal biometry and uteroplacental hemodynamics	1
Diet diversity and seasonality of robust capuchins (Sapajus sp.) in a tiny urban forest	1
Participatory action research for primate conservation: A critical analysis of a nonformal education program in Southern Mexico	1
Host‐related and environmental factors influence long‐term ectoparasite infestation dynamics of mouse lemurs in northwestern Madagascar	1
Decay rates of arboreal and terrestrial nests of Eastern chimpanzees (Pan troglodytes schweinfurthii) in the Bugoma Central Forest Reserve, Uganda: Implications for population size estimates	1
Eye‐tracking as a window into primate social cognition	1
Impact of Botfly Parasitism on the Behavior of Mantled Howler Monkeys	1
Consistency in Verreaux's sifaka home range and core area size despite seasonal variation in resource availability as assessed by Enhanced Vegetation Index (EVI)	1
Assessing the Sociodemographic Factors Associated With Mycobacterium tuberculosis Complex Infection Among Free‐Ranging Long‐Tailed Macaques (Macaca fascicularis) in Thailand	1
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First noncontact millimeter‐wave radar measurement of heart rate in great apes: Validation in chimpanzees (Pan troglodytes)	1
Filarial infections in lemurs: Evidence for a wide geographical distribution and low host specificity among lemur species	1
Determinants of macaques' space use: A test for the ecological constraints model using GPS collars	1
Size reduction and skull shape parallelism following the evolutionary forest‐to‐savanna transition in Platyrrhini monkeys	1
Oxytocin increases during fur‐rubbing regardless of level of social contact in tufted capuchin monkeys	1
Exploring the Utility of the Gut Microbiome as a Longitudinal Health Monitoring Tool in Sanctuary Chimpanzees (Pan troglodytes)	1