Journal of Comparative Psychology

Article	Citations
Replication of the mirror mark test experiment in the magpie (Pica pica) does not provide evidence of self-recognition.	17
Carrion crows (Corvus corone corone) fail the mirror mark test yet again.	17
Proximate predictors of variation in egg rejection behavior by hosts of avian brood parasites.	16
Crows (Corvus corone ssp.) check contingency in a mirror yet fail the mirror-mark test.	16
(Re)claiming plants in comparative psychology.	12
Familiarity enhances moment-to-moment behavioral coordination in zebra finch (Taeniopygia guttata) dyads.	12
Monkeys (Macaca mulatta) learn two-choice discriminations under displaced reinforcement.	12
Assessing the personality structure of wild capuchin monkeys (Sapajus xanthosternos) using trait rating and behavioral coding.	10
Comparative assessment of behaviorally derived personality structures in golden-handed tamarins (Saguinus midas), cotton-top tamarins (Saguinus oedipus), and common marmosets (Callithrix jacchus).	10
A comparative study of memory for olfactory discriminations: Dogs (Canis familiaris), rats (Rattus norvegicus), and humans (Homo sapiens).	9
Animacy perception in dogs (Canis familiaris) and humans (Homo sapiens): Comparison may be perturbed by inherent differences in looking patterns.	8
The strategies used by chimpanzees (Pan troglodytes) and children (Homo sapiens) to solve a simple coordination problem.	8
Initial evidence for eliciting contrafreeloading in grey parrots (Psittacus erithacus) via the opportunity for playful foraging.	8
Assessing the perception of face pareidolia in children (Homo sapiens), rhesus monkeys (Macaca mulatta), and capuchin monkeys (Sapajus apella).	8
What is simple is actually quite complex: A critical note on terminology in the domain of language and communication.	8
Sociability of Indian free-ranging dogs (Canis lupus familiaris) varies with human movement in urban areas.	8
Facial displays in red-capped mangabeys (Cercocebus torquatus): Repertoire, social context, and potential intentionality.	7
Similarities in composition and transformations of songs by humpback whales (Megaptera novaeangliae) over time and space.	7
Prior experience mediates the usage of food items as tools in great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, and Pongo abelii).	7
Sexual dimorphism in classical conditioning? Sex differences in neophobia, latent inhibition, generalization, and extinction for rats (Rattus norvegicus) in a conditioned taste aversion preparation ir	7
Chimpanzees’ (Pan troglodytes) internal arousal remains elevated if they cannot themselves help a conspecific.	7
Labeling effect in insects: Cue associations influence perceived food value in ants (Lasius niger).	6
Primate origins of corepresentation and cooperative flexibility: A comparative study with common marmosets (Callithrix jacchus), brown capuchins (Sapajus apella), and Tonkean macaques (Macaca tonkeana	6
Body perception in chimpanzees (Pan troglodytes): The effect of body structure changes.	6
Dogs (Canis familiaris) and wolves (Canis lupus) coordinate with conspecifics in a social dilemma.	6

There is no other monkey in the mirror for spider monkeys (Ateles geoffroyi).	6
Drawing in nonhuman primates: What we know and what remains to be investigated.	6
The coding of object thickness in plants: When roots matter.	5
Stone affordances as potential for action expression in object play in long-tailed macaques (Macaca fascicularis).	5
No evidence of what-where-when memory in great apes (Pan troglodytes, Pan paniscus, Pongo abelii, and Gorilla gorilla).	5
Behavioral and hormonal changes following social instability in young rhesus macaques (Macaca mulatta).	5
Multiple assessments of personality and problem-solving performance in captive Asian elephants (Elephas maximus) and African savanna elephants (Loxodonta africana).	5
Tolerance of muzzle contact underpins the acquisition of foraging information in vervet monkeys (Chlorocebus pygerythrus).	5
Differences in the mutual eye gaze of bonobos (Pan paniscus) and chimpanzees (Pan troglodytes).	4
Parental divorce in childhood is related to lower urinary oxytocin concentrations in adulthood.	4
Dominance in human (Homo sapiens) personality space and in hominoid phylogeny.	4
Category difference facilitates oddity learning in honeybees (Apis mellifera).	4
Detouring while foraging up a tree: What bull ants (Myrmecia midas) learn and their reactions to novel sensory cues.	4
Visual perception in a bottlenose dolphin (Tursiops truncatus): Successful recognition of 2-D objects rotated in the picture and depth planes.	4
Search asymmetries for threatening faces in chimpanzees (Pan troglodytes).	4
Effects of ethanol ingestion on aversive conditioning in honey bees (Apis mellifera L.).	4
Prospective information-seeking in human children (Homo sapiens): When to seek and what to seek.	4
The psychological mechanisms underlying reciprocal prosociality in chimpanzees (Pan troglodytes).	4
Exploring the Müller-Lyer illusion in a nonavian reptile (Pogona vitticeps).	4
Is economic risk proneness in young children (Homo sapiens) driven by exploratory behavior? A comparison with capuchin monkeys (Sapajus apella).	3
Metacognition in canids: A comparison of dogs (Canis familiaris) and dingoes (Canis dingo).	3
The effects of changes in the referential problem space of infants and toddlers (Homo sapiens): Implications for cross-species comparisons.	3
Piagetian liquid overconservation in grey parrots (Psittacus erithacus).	3
Recurrence quantification analysis in the study of online coordination in Norway rats (Rattus norvegicus).	3
Environmental correlates of exploratory behavior and anxiety in three African striped mouse (Rhabdomys) taxa occurring in different habitats and contexts.	3
Studying animal innovation at the individual level: A ratings-based assessment in capuchin monkeys (Sapajus [Cebus] sp.).	3
Delayed gratification: A grey parrot (Psittacus erithacus) will wait for more tokens.	3
Do that again! Memory for self-performed actions in dogs (Canis familiaris).	3
How comparative was (is) the Journal of Comparative Psychology? A reptilian perspective.	3
Video-mediated behavior in gorillas (gorilla gorilla gorilla): A stage in the development of self-recognition in a juvenile male?	3
Same-different conceptualization in dogs (Canis familiaris).	3
The density bias: Capuchin monkeys (Sapajus apella) prefer densely arranged items in a food-choice task.	3
The effects of positive and negative experiences on subsequent behavior and cognitive performance in capuchin monkeys (Sapajus [Cebus] apella).	3
Individual recognition of monkey (Macaca fuscata) and human (Homo sapiens) images in primatologists.	3
Do lemurs know when they could be wrong? An investigation of information seeking in three species of lemur (Lemur catta, Eulemur rubriventer, and Varecia variegata).	3
Evidence of motor intentions in plants: A kinematical study.	3
Learning simple and compound stimuli in a social lizard (Egernia stokesii).	3
Cognitive flexibility and aging in coyotes (Canis latrans).	3
Clark’s nutcrackers (Nucifraga columbiana) use a visual barrier for cache protection.	2
The journey in comparative psychology matters more than the destination.	2
Incorporating animal agency into research design could improve behavioral and neuroscience research.	2
Visual discrimination of size and perception of the Delboeuf illusion in the domestic cat (Felis silvestris catus): A developmental disjunction?	2
Food calls enhance visual discrimination learning in chimpanzees (Pan troglodytes verus).	2
Preference or flexibility? Spatial navigation by Syrian hamsters (Mesocricetus auratus) in a multiple-cue environment.	2
How do communicative cues shape the way that dogs (Canis familiaris) encode objects?	2
Expanding the landscape of opportunity: Professional societies support early-career researchers through community programming and peer coaching.	2
Exclusion by donkey’s ears: Donkeys (Equus asinus) use acoustic information to find hidden food in a two-way object-choice task.	2
Vocal repertoire and auditory sensitivity of white-throated woodrats (Neotoma albigula).	2
Great apes (Pan troglodytes, Pan paniscus, Pongo abelii) exploit better the information of failure than capuchin monkeys (Sapajus spp.) when selecting tools to solve the same foraging problem.	2
Personality structure in bottlenose dolphins (Tursiops truncatus).	2

Forgetting curve in spider monkeys (Ateles geoffroyi): Effects of delay but not the amount of information.	2
Individual differences guide mate choice in the fighting fish (Betta splendens).	2
Doing reliable research in comparative psychology: Challenges and proposals for improvement.	2
Chimpanzees (Pan troglodytes) exhibit gaze bias for snakes upon hearing alarm calls.	2
Supplemental Material for Similarities in Composition and Transformations of Songs by Humpback Whales (Megaptera novaeangliae) Over Time and Space	1
Investigation of mirror-self recognition in ravens (Corvus corax).	1
Visual and acoustic exploratory behaviors toward novel stimuli in Antillean manatees (Trichechus manatus manatus) under human care.	1
Conflict interference in an insect.	1
Computerized intertemporal choice task in chimpanzees (Pan troglodytes) with/without postreward delay.	1
Are you as fooled as I am? Visual illusions in human (Homo) and nonhuman (Sapajus, Gorilla, Pan, Pongo) primate species.	1
Individual variation in Black-capped chickadee (Poecile atricapillus) foraging behavior in response to a predator model.	1
Don't let the pigeon chair the search committee: Pigeons (Columba livia) match humans’ (Homo sapiens) suboptimal approach to the secretary problem.	1
Children (Homo sapiens), but not rhesus monkeys (Macaca mulatta), perceive the one-is-more illusion.	1
Assessing cats’ (Felis catus) sensitivity to human pointing gestures.	1
Convergence between G and g in three monkey species (Sapajus spp, Ateles geoffroyi, and Macaca fascicularis).	1
Decision-making by bushveld gerbils (Gerbilliscus leucogaster).	1
On mark-test replication and mirror self-recognition in magpies.	1
Recognition of visual kinship signals in chimpanzees (Pan troglodytes) by humans (Homo sapiens).	1
Dogs (Canis familiaris) prioritize independent exploration over looking back.	1
Spatial frequency and global–local visual processing in capuchin monkeys (Sapajus spp.) and humans (Homo sapiens).	1
Target number influences strategy use by rats (Rattus norvegicus) in the traveling salesperson problem.	1
The “avoid the empty cup” hypothesis does not explain great apes’ (Gorilla gorilla, Pan paniscus, Pan troglodytes, Pongo abelii) responses in two three-cup one-item inference by exclusion tasks.	1
Inhibitory control and cue relevance modulate chimpanzees’ (Pan troglodytes) performance in a spatial foraging task.	1
Evolutionary changes in the predatory attack of carnivorous rodents: A comparative analysis emphasizing grasshopper mice (Onychomys spp.).	1
How tufted capuchin monkeys (Sapajus spp.) and humans (Homo sapiens) handle a jointed tool.	1
On the origin of visual symbols.	1
Mother–infant relationships and infant independence in wild Geoffroy’s spider monkeys (Ateles geoffroyi).	1
How environmental unpredictability and harshness affect chimpanzees (Pan troglodytes) in risk-choice and temporal discounting tasks.	1
Primate socio-ecology shapes the evolution of distinctive facial repertoires.	1
Rules and metarules: Adult cotton-top tamarins (Saguinus oedipus) and 5-year-old children (Homo sapiens) can master both.	0
Comparative psychology’s founding mother, Margaret Floy Washburn.	0
Supplemental Material for Chimpanzees (Pan troglodytes) Exhibit Gaze Bias for Snakes Upon Hearing Alarm Calls	0
Supplemental Material for Assessing Cats’ (Felis catus) Sensitivity to Human Pointing Gestures	0
Odds favor the bees.	0
Have we met? New insights into the role of head and body cues in the visual recognition of conspecifics in gray parrots (Psittacus erithacus).	0
Supplemental Material for Search Asymmetries for Threatening Faces in Chimpanzees (Pan troglodytes)	0
Supplemental Material for Dominance in Human (Homo sapiens) Personality Space and in Hominoid Phylogeny	0
Do standard behavioral assays predict foraging behavior of individual Black-capped chickadees (Poecile atricapillus) in response to a predator model or	0
Zing-Yang Kuo and “Giving up instincts in psychology”, 100 years later.	0
Is inferential reasoning a distinctly human cognitive feature? Testing reasoning in cotton-top tamarins (Saguinus oedipus).	0
Supplemental Material for Decision-Making by Bushveld Gerbils (Gerbilliscus leucogaster)	0
Supplemental Material for Are You as Fooled as I am? Visual Illusions in Human (Homo) and Nonhuman (Sapajus, Gorilla, Pan, Pongo) Primate Species	0
Responses of wild skuas (Catharacta antarctica ssp. lonnbergi) to human cues in cooperative and competitive social contexts.	0
Supplemental Material for How Tufted Capuchin Monkeys (Sapajus spp.) and Humans (Homo sapiens) Handle a Jointed Tool	0
Supplemental Material for Prior Experience Mediates the Usage of Food Items as Tools in Great Apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, and Pongo abelii)	0
Supplemental Material for A Study of Executive Function in Grey Parrots (Psittacus erithacus): Experience Can Affect Delay of Gratification	0
A new look at universals and specificities in the songs of humpback whales.	0
Supplemental Material for Studying Animal Innovation at the Individual Level: A Ratings-Based Assessment in Capuchin Monkeys (Sapajus [Cebus] sp.)	0
Supplemental Material for Delayed Gratification: A Grey Parrot (Psittacus erithacus) Will Wait for More Tokens	0
Familiarity—The bridge from social interactions to relationships?	0
Testing the role of macaque social tolerance in ability to follow human eye gaze.	0
Supplemental Material for Food Calls Enhance Visual Discrimination Learning in Chimpanzees (Pan troglodytes verus)	0
Supplemental Material for Multiple Assessments of Personality and Problem-Solving Performance in Captive Asian Elephants (Elephas maximus) and African Savanna Elephants (Loxodonta africana)	0
Acknowledgment of Ad Hoc Reviewers	0
Sensitivity to line-of-sight in tolerant versus despotic macaques (Macaca sylvanus and Macaca mulatta).	0
100 years of comparative psychology advancing practice, policy, and the public—And what the future requires.	0
Impulsivity as a trait in domestic dogs (Canis familiaris): A systematic review and meta-analysis.	0
Chimpanzees (Pan troglodytes) with better task-based delay of gratification skills are rated as less impulsive, more agreeable, and smarter.	0
Should I stay or should I go? Pigeons’ (Columba livia) performance of a foraging task has implications for optimal foraging theory and serial pattern learning.	0
Simplicity and complexity in human and nonhuman communication.	0
Supplemental Material for Pitch Affects Human (Homo sapiens) Perception of Emotional Arousal From Diverse Animal Calls	0
Acknowledgments	0
Supplemental Material for Evidence of Motor Intentions in Plants: A Kinematical Study	0
The dynamics of chunking in humans (Homo sapiens) and Guinea baboons (Papio papio).	0
Adaptable navigation in bull ants (Myrmecia midas).	0
Supplemental Material for Conflict Interference in an Insect	0
Supplemental Material for Do Standard Behavioral Assays Predict Foraging Behavior of Individual Black-Capped Chickadees (Poecile atricapillus) in Response to a Predator Model or Calls?	0
Iberian Lynx (Lynx pardinus) personality: A rating assessment with ex Situ Conservation Program sample.	0
Supplemental Material for The Effects of Positive and Negative Experiences on Subsequent Behavior and Cognitive Performance in Capuchin Monkeys (Sapajus [Cebus] apella)	0
Supplemental Material for The Role of Head and Body Cues in Visual Individual Recognition in Grey Parrots (Psittacus erithacus)	0
Supplemental Material for Impulsivity as a Trait in Domestic Dogs (Canis familiaris): A Systematic Review and Meta-Analysis	0
Supplemental Material for Computerized Intertemporal Choice Task in Chimpanzees (Pan troglodytes) With/Without Postreward Delay	0
Supplemental Material for Evaluation of Decision-Making Behavior Under Uncertainty in Capuchin Monkeys (Sapajus apella) and Humans (Homo sapiens) Using a Modified Balloon Analogue Risk Task	0
Supplemental Material for Cognitive Flexibility and Aging in Coyotes (Canis latrans)	0
Correction to Burghardt (2021).	0
Anthropomorphism as a contributor to the success of human (Homo sapiens) tool use.	0
Supplemental Material for Dogs (Canis familiaris) Prioritize Independent Exploration Over Looking Back	0
Supplemental Material for Individual Variation in Black-Capped Chickadee (Poecile atricapillus) Foraging Behavior in Response to a Predator Model	0
Evaluation of decision-making behavior under uncertainty in capuchin monkeys (Sapajus apella) and humans (Homo sapiens) using a modified Balloon Analogu	0
Physiological constraints and cognitive chunking: Sequence organization in the songs of zebra finches (Taeniopygia guttata).	0

Supplemental Material for Spatial Frequency and Global–Local Visual Processing in Capuchin Monkeys (Sapajus spp.) and Humans (Homo sapiens)	0
Supplemental Material for Is Inferential Reasoning a Distinctly Human Cognitive Feature? Testing Reasoning in Cotton-Top Tamarins (Saguinus oedipus)	0
Supplemental Material for Still Face in Pet Dogs (Canis familiaris)	0
First report of reindeer (Rangifer tarandus tarandus) response to human-given cues.	0
Supplemental Material for Clark’s Nutcrackers (Nucifraga columbiana) Use a Visual Barrier for Cache Protection	0
Supplemental Material for The Roles of Social Information, Asocial Information, and Initial Bias in Nest-Building Decisions	0
Supplemental Material for Vocal Repertoire and Auditory Sensitivity of White-Throated Woodrats (Neotoma albigula)	0
Influence of group size on shelter choice in Blaptica dubia cockroaches.	0
Supplemental Material for Tolerance of Muzzle Contact Underpins the Acquisition of Foraging Information in Vervet Monkeys (Chlorocebus pygerythrus)	0
Supplemental Material for Sound Order Discrimination in Two Species of Birds–Taeniopygia guttata and Melopsittacus undulatus	0
One hundred years of the Journal of Comparative Psychology.	0
Supplemental Material for Testing Three Primate Species’ Attentional Biases Toward Preferred and Unpreferred Foods: Seeing Red or High Valued Food?	0
Supplemental Material for Extraction of Structural Regularities by Baboons (Papio Papio): Adjacent and Nonadjacent Repetition Patterns Differ in Learnability	0
Supplemental Material for Reach-to-Grasp Kinematic Signatures in Colombian Spider Monkeys (Ateles fusciceps rufiventris)	0
The roles of social information, asocial information, and initial bias in nest-building decisions.	0
What enables “distraction” to reduce delay discounting for pigeons (Columba livia).	0
Supplemental Material for Visual Discrimination of Size and Perception of the Delboeuf Illusion in the Domestic Cat (Felis silvestris catus): A Developmental Disjunction?	0
Supplemental Material for Environmental Correlates of Exploratory Behavior and Anxiety in Three African Striped Mouse (Rhabdomys) Taxa Occurring in Different Habitats and Contexts	0
Supplemental Material for Same-Different Conceptualization in Dogs (Canis familiaris)	0
Pitch affects human (Homo sapiens) perception of emotional arousal from diverse animal calls.	0
End the search quickly: Pigeons (Columba livia) and humans (Homo sapiens) share the same bias.	0
Sound order discrimination in two species of birds–Taeniopygia guttata and Melopsittacus undulatus.	0
Supplemental Material for A Modified Version of the Dimensional Change Card Sort Task Tests Cognitive Flexibility in Children (Homo sapiens) and Cotton-Top Tamarins (Saguinus oedipus)	0
Clark’s nutcrackers (Nucifraga columbiana) modify caching behavior when observed.	0
Strategy use in probabilistic categorization by rhesus macaques (Macaca mulatta) and capuchin monkeys (Cebus [Sapajus] apella).	0
Supplemental Material for Iberian Lynx (Lynx pardinus) Personality: A Rating Assessment With Ex Situ Conservation Program Sample	0
Supplemental Material for Recurrence Quantification Analysis in the Study of Online Coordination in Norway Rats (Rattus norvegicus)	0
Supplemental Material for Recognition of Visual Kinship Signals in Chimpanzees (Pan troglodytes) by Humans (Homo sapiens)	0
The effects of goal–landmark distance on overshadowing: A replication in humans (Homo sapiens) of Goodyear and Kamil (2004).	0
A study of executive function in grey parrots (Psittacus erithacus): Experience can affect delay of gratification.	0
Supplemental Material for Behavioral and Hormonal Changes Following Social Instability in Young Rhesus Macaques (Macaca mulatta)	0
Supplemental Material for Humans’ (Homo sapiens), Capuchin Monkeys’ (Sapajus [Cebus] apella), and Rhesus Macaques’ (Macaca mulatta) Size Judgments Shift When Stimuli Change in Frequency	0
Gaze in cats (Felis catus) and dogs (Canis lupus familiaris).	0
Supplemental Material for Is Economic Risk Proneness in Young Children (Homo sapiens) Driven by Exploratory Behavior? A Comparison With Capuchin Monkeys (Sapajus apella)	0
Egg burial in the ringneck dove (Streptopelia risoria): A potential laboratory model system for egg-rejection research?	0
Supplemental Material for Sociability of Indian Free-Ranging Dogs (Canis lupus familiaris) Varies With Human Movement in Urban Areas	0
Supplemental Material for Primate Origins of Corepresentation and Cooperative Flexibility: A Comparative Study With Common Marmosets (Callithrix jacchus), Brown Capuchins (Sapajus apella), and Tonkean	0
Supplemental Material for Investigation of Mirror-Self Recognition in Ravens (Corvus corax)	0
A modified version of the dimensional change card sort task tests cognitive flexibility in children (Homo sapiens) and cotton-top tamarins (Saguinus oedipus).	0
I am as fooled as you are, say some primates … but only sometimes.	0
Supplemental Material for Initial Evidence for Eliciting Contrafreeloading in Grey Parrots (Psittacus erithacus) via the Opportunity for Playful Foraging	0
Supplemental Material for Mother–Infant Relationships and Infant Independence in Wild Geoffroy’s Spider Monkeys (Ateles geoffroyi)	0
Extraction of structural regularities by baboons (Papio Papio): Adjacent and nonadjacent repetition patterns differ in learnability.	0
Looking back to look forward: Avenues into the field of comparative psychology.	0
Supplemental Material for How Environmental Unpredictability and Harshness Affect Chimpanzees (Pan troglodytes) in Risk-Choice and Temporal Discounting Tasks	0
Acknowledgments	0
Supplemental Material for Personality Structure in Bottlenose Dolphins (Tursiops truncatus)	0
Some phenomena of the cap-pushing response in honey bees (Apis mellifera spp.).	0
Supplemental Material for How Do Communicative Cues Shape the Way That Dogs (Canis familiaris) Encode Objects?	0
Supplemental Material for Stone Affordances as Potential for Action Expression in Object Play in Long-Tailed Macaques (Macaca fascicularis)	0
Supplemental Material for Physiological Constraints and Cognitive Chunking: Sequence Organization in the Songs of Zebra Finches (Taeniopygia guttata)	0
A century of the Journal of Comparative Psychology.	0
Supplemental Material for The Dynamics of Chunking in Humans (Homo sapiens) and Guinea Baboons (Papio papio)	0
Supplemental Material for Drawing in Nonhuman Primates: What We Know and What Remains to Be Investigated	0
Comparative cognition: Perspectives, challenges, and prospects.	0
Testing three primate species’ attentional biases toward preferred and unpreferred foods: Seeing red or high valued food?	0
Supplemental Material for Learning Simple and Compound Stimuli in a Social Lizard (Egernia stokesii)	0
Supplemental Material for Inhibitory Control and Cue Relevance Modulate Chimpanzees’ (Pan troglodytes) Performance in a Spatial Foraging Task	0
Reach-to-grasp kinematic signatures in Colombian spider monkeys (Ateles fusciceps rufiventris).	0
African striped mice (Rhabdomys) mind the neighbors.	0
Supplemental Material for The Coding of Object Thickness in Plants: When Roots Matter	0
Supplemental Material for Consistent Second-Order Motor Planning by Cotton-Top Tamarins (Saguinus oedipus): Evidence From a Dowel Task	0
Supplemental Material for Detouring While Foraging Up a Tree: What Bull Ants (Myrmecia midas) Learn and Their Reactions to Novel Sensory Cues	0
Still face in pet dogs (Canis familiaris).	0
Consistent second-order motor planning by cotton-top tamarins (Saguinus oedipus): Evidence from a dowel task.	0
A reflection on noncognitive factors affecting spatial cognitive testing: Examples from nonmodel species.	0
Supplemental Material for Influence of Group Size on Shelter Choice in Blaptica dubia Cockroaches	0
Supplemental Material for Sensitivity to Line-of-Sight in Tolerant Versus Despotic Macaques (Macaca sylvanus and Macaca mulatta)	0
Factors in forgetting in spider monkeys, Ateles geoffroyi.	0
Humans’ (Homo sapiens), capuchin monkeys’ (Sapajus [Cebus] apella), and rhesus macaques’ (Macaca mulatta) size judgments shift when stimuli change in frequency.	0
Supplemental Material for Exclusion by Donkey’s Ears: Donkeys (Equus asinus) Use Acoustic Information to Find Hidden Food in a Two-Way Object-Choice Task	0
Supplemental Material for The Effects of Goal–Landmark Distance on Overshadowing: A Replication in Humans (Homo sapiens) of Goodyear and Kamil (2004)	0
The role of head and body cues in visual individual recognition in grey parrots (Psittacus erithacus).	0
Supplemental Material for Gaze in Cats (Felis catus) and Dogs (Canis lupus familiaris)	0
Supplemental Material for Primate Socio-Ecology Shapes the Evolution of Distinctive Facial Repertoires	0
Supplemental Material for Animacy Perception in Dogs (Canis familiaris) and Humans (Homo sapiens): Comparison May Be Perturbed by Inherent Differences in Looking Patterns	0
Why do distractions sometimes aid self-control? Pigeons (Columba livia) highlight possible mechanisms underlying the distraction effect.	0
Supplemental Material for Chimpanzees’ (Pan troglodytes) Internal Arousal Remains Elevated if They Cannot Themselves Help a Conspecific	0