OOIR: Observatory of International Research

Papers

(The TQCC of Animal Cognition is 6. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Sexual differences in responses of meadow voles to environmental cues in the presence of mink odor	34
Use of the sun compass by monocularly occluded homing pigeons in a food localisation task in an outdoor arena	33
Active oscillations in microscale navigation	21
Dogs (Canis lupus familiaris) are susceptible to the Kanizsa’s triangle illusion	19
The effect of dimensional reinforcement prediction on discrimination of compound visual stimuli by pigeons	19
Cowards or clever guys: an alternative nest defence strategy employed by shrikes against magpies	18
Planning actions with a magnetic tool: how initial tool orientation and number of functional ends influence motor planning abilities in capuchin monkeys (Sapajus spp.)	18
Visual snake aversion in Octodon degus and C57BL/6 mice	16
Effects of oxytocin administration and the dog–owner bond on dogs’ rescue behavior	16
Quantitative abilities of invertebrates: a methodological review	16
Innovative problem-solving in a threatened gull species, the Olrog’s Gull (Larus atlanticus)	15
Searching high and low: domestic dogs’ understanding of solidity	15
Overlooked evidence for semantic compositionality and signal reduction in wild chimpanzees (Pan troglodytes)	15
Detecting surface changes in a familiar tune: exploring pitch, tempo and timbre	15
Spaced training enhances equine learning performance	15
Seasonal changes in problem-solving in wild African striped mice	15
Disentangling help-seeking and giving up: differential human-directed gazing by dogs in a modified unsolvable task paradigm	15
Individual differences in co-representation in three monkey species (Callithrix jacchus, Sapajus apella and Macaca tonkeana) in the joint Simon task: the role of social factors and inhibitory control	14
Nest sanitation as an effective defence against brood parasitism	14
House sparrows use learned information selectively based on whether reward is hidden or visible	14
Intentional gestural communication amongst red-capped mangabeys (Cercocebus torquatus)	14
Exploratory decisions of Trinidadian guppies when uncertain about predation risk	14
Assessing the performance of brushtail possums (Trichosurus vulpecula) on the Mechner counting procedure	13
Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis	13
Correction to: If horses had toes: demonstrating mirror self recognition at group level in Equus caballus	13

Language preference in the domestic dog (Canis familiaris)	12
Thinking about order: a review of common processing of magnitude and learned orders in animals	11
Behavioral laterality is correlated with problem-solving performance in a songbird	11
Second verse, same as the first: learning generalizable relational concepts through functional repetition	11
Understanding across the senses: cross-modal studies of cognition in cetaceans	11
Taste aversion learning in the snail Cornu aspersum	10
Does owner handedness influence paw preference in dogs?	10
“Cognition in marine mammals: the strength of flexibility in adapting to marine life”	10
Puppies in the problem-solving paradigm: quick males and social females	9
Interspecific differences in developmental mode determine early cognitive abilities in teleost fish	9
Incrementing non-matching- but not matching-to-sample is rapidly learned in an automated version of the odor span task	9
“The song remains the same”: not really! Vocal flexibility in the song of the indris	9
Response of the weeping lizard to distress calls: the effect of witnessing predation	9
Contagious yawning in African painted dogs	9
Left or right, that is the question: use of egocentric frame of reference and the right-eye advantage for understanding gestural signs in bottlenose dolphins (Tursiops truncatus)	9
Why an animal needs a brain	9
Assessment of predation risk through conspecific cues by anuran larvae	9
Appeasement function of displacement behaviours? Dogs’ behavioural displays exhibited towards threatening and neutral humans	9
Impact of exploration behavior, aptitude for pellet consumption, and the predation practice on the performance in consecutive live prey foraging tests in a piscivorous species	9
Mirror self-recognition in ghost crab (Ocypode quadrata)	9
Pet dogs (Canis familiaris) re-engage humans after joint activity	9
Putting the cart before the horse: claims for mirror self-recognition in horses are unfounded	9
Meowing dogs: can dogs recognize cats in a cross-modal violation of expectancy task (Canis familiaris)?	9
Context-dependent and seasonal fluctuation in bottlenose dolphin (Tursiops truncatus) vocalizations	8
Context-dependent use of olfactory cues by foragers of Vespula germanica social wasps	8
Emergence of complex dynamics of choice due to repeated exposures to extinction learning	8
Group size, partner choice and collaborative actions in male Indo-Pacific bottlenose dolphins (Tursiops aduncus)	8
Adjustment in the point-following behaviour of free-ranging dogs – roles of social petting and informative-deceptive nature of cues	8
Life is in motion (through a chick’s eye)	8
Context-effect bias in capuchin monkeys (Sapajus spp.): exploring decoy influences in a value-based food choice task	8
Correction: Why an animal needs a brain	8
Neural substrates involved in the cognitive information processing in teleost fish	8
Is this love? Sex differences in dog-owner attachment behavior suggest similarities with adult human bonds	8
An initial exploration of mirror behaviour in the ferret, Mustela putorius furo	8
Canine perspective-taking	8
Innovative problem-solving in a small, wild canid	8
Orientation by environmental geometry and feature cues in the green and black poison frog (Dendrobates auratus)	8
Learning about construction behaviour from observing an artefact: can experience with conspecifics aid in artefact recognition?	8
Adding colour-realistic video images to audio playbacks increases stimulus engagement but does not enhance vocal learning in zebra finches	8
Host parent responses to heterospecific parasite nestling alarm calls are independent of past and current experience with experimental brood parasitism	7
The use of an intermittent schedule of reinforcement to evaluate detection dogs’ generalization from smokeless-powder	7
Testing use of the first multi-partner cognitive enrichment devices by a group of male bottlenose dolphins	7
When should we ascribe sentience to animals? A commentary on “Hermit crabs, shells and sentience” (Elwood 2022)	7
Evidence of successive negative contrast in terrestrial toads (Rhinella arenarum): central or peripheral effect?	7
Digital embryos: a novel technical approach to investigate perceptual categorization in pigeons (Columba livia) using machine learning	7
Individual recognition and long-term memory of inanimate interactive agents and humans in dogs	7
Mutual mother–pup vocal recognition in the highly colonial Cape fur seal: evidence of discrimination of calls with a high acoustic similarity	7
Zebrafish excel in number discrimination under an operant conditioning paradigm	7
Serial visual reversal learning in harbor seals (Phoca vitulina)	7
Fish self-awareness: limits of current knowledge and theoretical expectations	7

Degraded and computer-generated speech processing in a bonobo	7
Domestic dogs (Canis lupus familiaris) are sensitive to the correlation between pitch and timbre in human speech	7
Development of the dog executive function scale (DEFS) for adult dogs	7
Playing it by ear: gregarious sparrows recognize and respond to isolated wingbeat sounds and predator-based cues	7
Behavioral evidence for two distinct memory systems in rats	7
Two-action task, testing imitative social learning in kea (Nestor notabilis)	6
Horses discriminate between human facial and vocal expressions of sadness and joy	6
Stressfulness of the design influences consistency of cognitive measures and their correlation with animal personality traits in wild mice (Mus musculus)	6
Grouping rule in tadpole: is quantity more or size assortment more important?	6
Volumetric and connectivity assessment of the caudate nucleus in California sea lions and coyotes	6
Llamas use social information from conspecifics and humans to solve a spatial detour task	6
Observing the nature of relationships in male bottlenose dolphins	6
The selfish preen: absence of allopreening in Palaeognathae and its socio-cognitive implications	6
Sex differences in social buffering and social contagion of alarm responses in zebrafish	6
Inter-group alliance dynamics in Indo-Pacific bottlenose dolphins (Tursiops aduncus)	6
Assessing sex differences in behavioural flexibility in an endangered bird species: the Southern ground-hornbill (Bucorvus leadbeateri)	6
On the role of training in delay of gratification paradigms: a reply to Pepperberg 2022	6
Correction: Discrimination of cat-directed speech from human-directed speech in a population of indoor companion cats (Felis catus)	6
Does social motivation mitigate fear caused by a sudden sound in horses?	6
Cognitive flexibility in a Tanganyikan bower-building cichlid, Aulonocranus dewindti	6
Geometry-based navigation in the dark: layout symmetry facilitates spatial learning in the house cricket, Acheta domesticus, in the absence of visual cues	6
Effects of acute maternal stress induced by predator cues on spatial learning and memory of offspring in the subterranean rodent Ctenomys talarum	6
When the owner does not know: comparing puppies and adult dogs’ showing behavior	6
Context-dependent alarm responses in wild vervet monkeys	6
Can rats and ants exchange information between the horizontal and vertical domains?	6
Correction: Do chimpanzees see a face on Mars? A search for face pareidolia in chimpanzees	6
Cue polarization and representation in mouse home base behaviors	6
From representations to servomechanisms to oscillators: my journey in the study of cognition	6