American Journal of Primatology

Article	Citations
Improving rigor and reproducibility in nonhuman primate research	23
Issue Information	23
A composite menstrual cycle of captive orangutans, with associated hormonal and behavioral variability	22
Population densities ofHylobates agilisin forests with different disturbance histories in Ulu Muda Forest Reserve, Malaysia	22
Best practices are never best: Evaluating primate conservation education programs (PCEPs) with a decolonial perspective	20
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	18
Manual preference, performance, and dexterity for bimanual grass‐feeding behavior in wild geladas (Theropithecus gelada)	16
Developmental and environmental modulation of fecal thyroid hormone levels in wild Assamese macaques (Macaca assamensis)	16
Issue Information	16
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	15
Physiologic Consequences of Housing Adult Male Cynomolgus Monkeys (Macaca fascicularis) in Heterosexual Pairs: A Pilot Study Using Implanted Biotelemetry	15
Issue Information	14
Prevalence and diversity of gastrointestinal parasites in free‐ranging rhesus macaques (Macaca mulatta) in different land gradients of Bangladesh	14
Passive acoustic monitoring using smartphones reveals an alarming gibbon decline in a protected area in the central Annamite Mountains, Vietnam	14
Age‐related changes in hematological biomarkers in common marmosets	14
Plant secondary metabolites and primate food choices: A meta‐analysis and future directions	14
Feeding Platforms as an Effective Strategy to Prevent the Consumption of Refuse by Urban Populations of Capuchin Monkeys (Sapajus libidinosus)	13
Observational approaches to chimpanzee behavior in an African sanctuary: Implications for research, welfare, and capacity‐building	13
Necropsies disclose a low helminth parasite diversity in periurban howler monkeys	13
The importance of auditory, olfactory, and visual cues for insect foraging in owl monkeys (Aotus nancymaae)	13
Collective Acoustics in Pan: Conserved Roots in the Evolution of Human Musicality	12
The relationship between personality, season, and wounding receipt in zoo‐housed Japanese macaques (Macaca fuscata): A multi‐institutional study	12
Wild Tibetan Macaques Use a Route‐Based Mental Map to Navigate in Large‐Scale Space	12
Joint intergroup aggression in female colobus monkeys (Colobus vellerosus) is associated with grooming bonds, male participation, and group size	12

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Stone Tool Use by Black‐Horned Capuchin Monkeys (Sapajus nigritus cucullatus) in an Urban Park in Londrina, Brazil	11
A habitat stronghold on the precipice: A call‐to‐action for supporting lemur conservation in northeast Madagascar	11
Retracted: Tarsier islands: Exploring patterns of variation in tarsier duets from offshore islands of North Sulawesi	11
Assessing Gestation and Fetal Sex in Wild Assamese Macaques Using Urinary Estrogen Analysis	11
Seasonality of reproduction in wild cotton‐top tamarins (Saguinus oedipus) in Colombia	10
The influence of seasonality, anthropogenic disturbances, and cyclonic activity on the behavior of northern sportive lemurs (Lepilemur septentrionalis) at Montagne des Français, Madagascar	10
Bared‐teeth displays in bonobos (Pan paniscus): An assessment of the power asymmetry hypothesis	10
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Impacts of climate change and habitat loss on the distribution of the endangered crested capuchin monkey (Sapajus robustus)	10
The social and defensive function of olfactory behaviors in a pair‐living sexually monogamous primate	10
In vitro digestion and fermentation of Japanese macaque (Macaca fuscata) food: The influence of food type and particle size	10
Selectivity in Buttress Drumming Tree Properties Among Chimpanzees (Pan troglodytes schweinfurthii) of the Waibira Community in Budongo Forest, Uganda	10
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Developmental milestones in captive Galago moholi	10
Fifty+ years of primate research illustrates complex drivers of abundance and increasing primate numbers	9
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Reproductive one health in primates	9
Cortisol levels across the lifespan in common marmosets (Callithrix jacchus)	9
Use of Nonhuman Primates in Periodontal Disease Research: Contribution of the Caribbean Primate Research Center and Cayo Santiago Rhesus Colony	9
Supplementation With Human Foods Affects the Gut Microbiota of Wild Howler Monkeys	9
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Individual differences in sociocognitive traits in semi‐free‐ranging rhesus monkeys (Macaca mulatta)	9
Issue Information	8
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Maternal and offspring behavior in free‐ranging Japanese and moor macaques: A comparative approach	8
A decade of proboscis monkey (Nasalis larvatus) population monitoring in Balikpapan Bay: Confronting predictions with empirical data	8
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	8
Yawn contagion in bonobos: Another group, another story	8
Habitual ground nesting in the Bugoma Forest chimpanzees (Pan troglodytes schweinfurthii), Uganda	7
The relationship of maternal rank, 5‐HTTLPR genotype, and MAOA‐LPR genotype to temperament in infant rhesus monkeys (Macaca mulatta)	7
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Capuchin monkeys' (Sapajus [Cebus] apella) categorization of photos of unknown male conspecifics suggests attention to fWHR and a dominance bias	7
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
Masthead	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
Male fattening is related to increased seminal quality of squirrel monkeys (Saimiri collinsi): Implications for sperm competition	7
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Correction to Naïve orangutans (Pongo abelii and Pongo pygmaeus) individually acquire nut‐cracking using hammer tools	7
Is the long‐tailed macaque at risk of extinction?	6
Variation in Maternal Effort, Activity Budgets, and Feeding Behavior in Wild Saddleback Tamarins (Leontocebus weddelli) in Northwestern Bolivia	6
Anthropogenic effects on body size and growth in lab‐reared and free‐ranging Macaca mulatta	6
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Grooming site preferences in black capuchin monkeys: Hygienic vs. social functions revisited	6
Application of a parallel laser apparatus to measure forearms and flanges of wild Bornean orangutans (Pongo pygmaeus wurmbii)	6
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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
Polyadic Grooming Patterns and Network in a Free‐Ranging Group of Japanese Macaques at Awajishima	6
Pied tamarins change their vocal behavior in response to noise levels in the largest city in the Amazon	6

Teeth Baring as a Model to Understand Complex Facial Signals in a Tolerant Macaque Species	6
Investigating infant feeding development in wild chimpanzees using stable isotopes of naturally shed hair	5
Issue Information	5
Linking glucocorticoid variations to monthly and daily behavior in a wild endangered neotropical primate	5
Avoiding Cognitive Trap in Habitat Restoration: A Case Study of the World's Rarest Primate	5
Maternal feeding benefits of allomaternal care in black‐and‐white colobus (Colobus guereza)	5
Validation of Body Condition Scoring as a Screening Test for Low Body Condition and Obesity in Common Marmosets (Callithrix jacchus)	5
Male chimpanzee sexual coercion and mating success at Ngogo	5
How individual, social, and ecological conditions influence dispersal decisions in male vervet monkeys	5
Charles T. Snowdon (Chuck) 1941–2023	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
Temperature‐Related Differences in Hair Cortisol Among Outdoor‐Housed Rhesus Macaques (Macaca mulatta)	5
Issue Information	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
Increased physical activity is not related to markers of cardiometabolic health in two lemur species	5
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Social Rank, Female Competition for Food, and Behavioral Time‐Budgets in the Golden Snub‐Nosed Monkey Rhinopithecus roxellana Multi‐Level Society	5
Is Primate Cone Ratio Variation Functional and Adaptive?	4
Issue Information	4
Advancing primate surveillance with image recognition techniques from unmanned aerial vehicles	4
Issue Information	4
Oesophagostomum stephanostomum causing parasitic granulomas in wild chimpanzees (Pan troglodytes verus) of Taï National Park, Côte d'Ivoire	4
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Assessing color cues of development, breeding status and reproductive condition in captive golden lion tamarins (Leontopithecus rosalia)	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
Identification of potentially zoonotic parasites in captive orangutans and semi‐captive mandrills: Phylogeny and morphological comparison	4
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State‐dependent risky choices in primates: Variation in energy budget does not affect tufted capuchin monkeys' (Sapajus spp.) risky choices	4
Issue Information	4
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Habitat use by the island lemurs of Nosy Be, Madagascar	4
Establishment and Validation of Fecal Secretory Immunoglobulin A Measurement for Intestinal Mucosal Health Assessment in Wild Lemurs	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
Unveiling the Evolutionary History of cis‐Andean Alouatta (Atelidae, Alouattinae) Through Mitochondrial Genomes	4
Stable Isotopes Analysis of Black Lion Tamarins Reveals Increasing Arthropod Consumption When Fruit Productivity Decreases in Forest Fragments	4
Yawn Contagion and Modality‐Matching in the Female‐Bonded Society of Geladas (Theropithecus gelada)	4
Automated pose estimation in primates	4
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Chimpanzee Activity and Behavioral Diversity Extends Across 24 Hours in Both Captive and Wild Settings	3
Program of the Forty‐Third Meeting of The American Society of Primatologists	3
Urinary C‐peptide and total triiodothyronine as energetic biomarkers for studies of lemurs	3
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A novel methodological approach for group classification during fission of a semi‐free‐ranging group of Japanese macaques (Macaca fuscata)	3
Using 3D Photogrammetry to Quantify Usable Space in Zoo‐Housed Primate Habitats	3
Cognitive performance of grey mouse lemurs (Microcebus murinus) during a discrimination learning task: Effect of the emotional valence of stimuli	3
Heritability in the Rhesus Macaque (Macaca mulatta) Vertebral Column	3
Development and assessment of a stair ascension challenge as a measure of aging and physical function in nonhuman primates	3
Masthead	3
Sexual Signaling and Sociosexual Behaviors in Relation to Rank, Parasites, Hormones, and Age in Male Vervet Monkeys (Chlorocebus pygerythrus) in Uganda	3
Losing lemurs: Declining populations and land cover changes over space and time	3
Survival rates and mortality risks of Plecturocebus cupreus at the California National Primate Research Center	3
Temperature and exudativory as drivers of the marmoset (Callithrixspp.) daily activity period	3
Is the southern patas monkey Erythrocebus baumstarki Africa's next primate extinction? Reassessing taxonomy, distribution, abundance, and conservation	3
The Earliest Known Radiation of Pitheciine Primates	3
Performance of autonomous recorders to detect a cryptic and endangered primate species, the black lion‐tamarin (Leontopithecus chrysopygus)	3
Variation in monthly and seasonal elevation use impacts behavioral and dietary flexibility in Rhinopithecus bieti	3
Edge effects and social behavior in three platyrrhines	3
Comparing the Performances of Chimpanzees (Pan troglodytes) and Gorillas (Gorilla gorilla gorilla) in Two Self‐Awareness Tasks	3
Food availability and male deference in the female‐dominant ring‐tailed lemur, Lemur catta	3
Taphonomy of harpy eagle predation on primates and other mammals	3
Primates and disability: Behavioral flexibility and implications for resilience to environmental change	3
Mitochondrial DNA for Phylogeny Building: Assessing Individual and Grouped mtGenes as Proxies for the mtGenome in Platyrrhines	3
Dominance and social interaction patterns in brown capuchin monkey (Cebus [Sapajus] apella) social networks	3
Primate conservation: A public issue?	3
Zoo studies in primate physiology, health, and welfare	3
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Review of Primates in Anthropogenic Landscapes: Exploring Primate Behavioural Flexibility Across Human Contexts, Edited by TracieMcKinney, SiânWaters, Michelle A.Rodrigues. Cham, Switzerland: S	3
Do zoo‐housed primates retreat from crowds? A simple study of five primate species	3
Issue Information	3
Issue Information	3
The development of sex differences in play in wild white‐faced capuchins (Cebus capucinus)	3
Rhesus macaque fetal and placental growth demographics: A resource for laboratory animal researchers	3
Identification of Leishmania infantum and Leishmania braziliensis in captive primates from a zoo in Brazil	3
Is it for real? Structural differences between play and real fighting in adult chimpanzees (Pan troglodytes)	3
Diet and seed dispersal of bearded capuchin monkeys (Sapajus libidinosus) in Brasilia National Park	3
What we know and don't know about great ape cultural communication in the wild	3

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	3
Moving	3
Male Infanticide in the Northern Purple‐Faced Langur (Semnopithecus vetulus Philbricki) in the Kaludiyapukuna Forest Reserve, Sri Lanka	3
Sniffing behavior of semi free‐ranging Barbary macaques (Macaca sylvanus)	3
An effect of canopy bridges on monkey‐vehicle collision hotspots: Spatial and spatiotemporal analyses	3
Linking howler monkey ranging and defecation patterns to primary and secondary seed dispersal	3
Issue Information	3
Influence of landscape structure on previous exposure to Leptospira spp. and Brucella abortus in free‐living neotropical primates from southern Brazil	3
Do chimpanzees enjoy a virtual forest? A pilot investigation of the use of interactive art as a form of environmental enrichment for zoo‐housed chimpanzees	3
The ability to inhibit impulses is related to social behavior in long‐tailed macaques	2
Habitat and ecological niche characteristics of the elusive Hairy‐eared Dwarf Lemur (Allocebus trichotis) with updated occurrence and geographic range data	2
Prosocial or photo preferences? Gorillas' prosocial choices using a touchscreen	2
Greetings among female chimpanzees in Mahale, Tanzania	2
Dental findings in wild great apes from macerated skull analysis	2
Preliminary isotopic assessment of weaning in bonobos shows evidence for extended nursing, sibling competition and invested first‐time mothers	2
Alternative reproductive tactics of unflanged and flanged male orangutans revisited	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
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
Early‐life behavioral features are associated with chronic emesis in rhesus macaques (Macaca mulatta)	2
Improving transparency—A call to include social housing information in biomedical research articles involving nonhuman primates	2
Age‐Related Changes in Marmoset (Callithrix jacchus) Feeding Behavior and Physiology: Insights of Masticatory and Swallowing Functions	2
Ecological and genetic variables co‐vary with social group identity to shape the gut microbiome of a pair‐living primate	2
Eyeblink rate as an indicator of concentration on grooming in Japanese macaques (Macaca fuscata)	2
Evaluating the impact of environmental education around Ranomafana National Park	2
Drinking frequency in wild lactating chimpanzees (Pan troglodytes schweinfurthii) and their offspring	2
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The Ontogeny of “Twitter” Calls in White‐Faced Capuchins (Cebus imitator): Usage, Context, and Acoustic Structure	2
Why Didn't the Sifaka Cross the Road? Divergence of Propithecus edwardsi Gut Microbiomes Across Geographic Barriers in Ranomafana National Park, Madagascar	2
How Do Common Marmosets Maintain the Balance Between Response Execution and Action Inhibition?	2
Detection of Filariid Infections in Mexican Primate Populations Through qPCR	2
Survey‐rated personality traits and experimentally measured coping style and stress reactivity, in wild baboons	2
Examining postmounting grooming in male golden snub‐nosed monkeys to investigate the functions of same‐sex mounts	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
Anxiety in Geoffroy's spider monkeys (Ateles geoffroyi): Can scratching be used as an indicator?	2
Personality Assessment of Synanthropic Rhesus Macaques: Implications and Challenges	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
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
Urinary Estradiol in Captive Bonobos: Variation With Reproductive State and Sexual Swelling	2
Issue Information	2
Correction to “Leopard predation on gelada monkeys at Guassa, Ethiopia”	2
Expanded distribution and predicted suitable habitat for the critically endangered yellow‐tailed woolly monkey (Lagothrix flavicauda) in Perú	2
Issue Information	2
Emotional states following grooming in female mandrills	2
Mothers of disabled infants had higher cortisol levels in a free‐ranging group of Japanese macaques (Macaca fuscata)	2
Are demographic correlates of white‐faced capuchin monkey (Cebus capucinus) “Gargle and Twargle” vocalization rates consistent with the infanticide risk assessment hypothesis?	2
Effects of forest fragmentation on the dietary ecology and activity of a nocturnal lemur community in North West Madagascar	2
Initial compatibility during a “Speed‐Dating” test predicts postpairing affiliation in titi monkeys (Plecturocebus cupreus)	2
Repeatability of measures of behavioral organization over two years in captive infant rhesus macaques, Macaca mulatta	2
Factors Affecting the Diet and Activity Budget of Wild Tibetan Macaques (Macaca thibetana)	2
Fruit Availability and Maternal Energy Expenditure Associated With Infant Independence in an Arboreal Primate (Colobus angolensis ruwenzorii)	2
Erratum to Primate cognition in zoos: Reviewing the impact of zoo‐based research over 15 years	2
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Nutrient balancing in a fruit‐specialist primate, the black‐and‐white ruffed lemur (Varecia variegata)	2
Flexible grouping patterns in a western and eastern chimpanzee community	2
Social tension after grooming in wild Japanese macaques (Macaca fuscata yakui) is sex specific and sensitive to social relationships	2
Where the small things are: Modelling edge effects on mouse lemur population density and distribution in northwestern Madagascar	2
Beware! Different methods lead to divergent results on yawn contagion modulation in bonobos	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
Examining predictive meteorological variables in the singing behavior of northern white‐cheeked gibbons (Nomascus leucogenys) in northern Lao PDR	2
Issue Information	2
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Urine washing in urban robust capuchin monkeys (Sapajus sp.): The relation with visitors	2
The impact of housing on birth outcomes in breeding macaque groups across multiple research centers	2
Issue Information	2
Can we eliminate the primate pet trade in the United States?	2
Sensitivity to the communicative partner's attentional state: A developmental study on mother–infant dyads in wild chimpanzees (Pan troglodytes schweinfurthii)	2
Correction to “Neutrophil to Lymphocyte Ratio in Captive Olive Baboons (Papio anubis): The Effects of Age, Sex, Rearing, Stress, and Pregnancy”	2
New bands in the sleep stages of spider monkeys (Ateles geoffroyi): Electroencephalographic correlations and spatial distribution	1
Population assessment of the Endangered Kashmir Gray Langur (Semnopithecus ajax, Pocock 1928) using the double‐observer method	1
Behavioral thermoregulation in primates: A review of literature and future avenues	1
Correction to “Stable Isotopes Analysis of Black Lion Tamarins Reveals Increasing Arthropod Consumption When Fruit Productivity Decreases in Forest Fragments”	1
Pairing a user‐friendly machine‐learning animal sound detector with passive acoustic surveys for occupancy modeling of an endangered primate	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
First noncontact millimeter‐wave radar measurement of heart rate in great apes: Validation in chimpanzees (Pan troglodytes)	1
Osteology applied to image diagnosis of the forelimb of the black‐striped capuchin (Sapajus libidinosus Spix, 1823)	1
Reaffirming the Loma Mountains National Park in Sierra Leone as a critical site for the conservation of West African chimpanzee (Pan troglodytes verus)	1
The role of great ape behavioral ecology in One Health: Implications for captive welfare and re‐habilitation success	1
Eye‐tracking as a window into primate social cognition	1
Exploring the Utility of the Gut Microbiome as a Longitudinal Health Monitoring Tool in Sanctuary Chimpanzees (Pan troglodytes)	1
Issue Information	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
Dramatic decline in a titi monkey population after the 2016–2018 sylvatic yellow fever outbreak in Brazil	1
Multiple Motivations: Agonistic Coalitions and Interventions in Blue Monkeys	1
Assessing the Sociodemographic Factors Associated With Mycobacterium tuberculosis Complex Infection Among Free‐Ranging Long‐Tailed Macaques (Macaca fascicularis) in Thailand	1
Self‐medication in nonhuman primates: A systematic evaluation of the possible function of the use of medicinal plants	1
Temporal patterns of gut microbiota in lemurs (Eulemur rubriventer) living in intact and disturbed habitats in a novel sample type	1
Differences in sperm morphology between Alouatta palliata and Alouatta pigra are consistent with the intensity of sperm competition in each species	1
Enhancing Breeding Success Through Simple Intrauterine Insemination in Large‐Scale Cynomolgus Macaque Colony	1
Impact of Botfly Parasitism on the Behavior of Mantled Howler Monkeys	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
Bioacoustic monitoring to determine addiction levels of primates to the human sphere: A feasibility study on Japanese macaques	1
Hand preference in wild crab‐eating capuchin monkeys (Sapajus libidinosus) in the coastal area of Northest Brazil	1
Time for action: Introduction to the special issue on conservation education in monkeys and strepsirrhines	1