OOIR: Observatory of International Research

Papers

(The TQCC of Animal Cognition is 7. 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 2021-08-01 to 2025-08-01.)

Article	Citations
“Cognition in marine mammals: the strength of flexibility in adapting to marine life”	47
Planning actions with a magnetic tool: how initial tool orientation and number of functional ends influence motor planning abilities in capuchin monkeys (Sapajus spp.)	43
Correction to: If horses had toes: demonstrating mirror self recognition at group level in Equus caballus	24
Disentangling help-seeking and giving up: differential human-directed gazing by dogs in a modified unsolvable task paradigm	23
Assessment of predation risk through conspecific cues by anuran larvae	21
Does owner handedness influence paw preference in dogs?	21
Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis	20
House sparrows use learned information selectively based on whether reward is hidden or visible	19
Life is in motion (through a chick’s eye)	19
Pet dogs (Canis familiaris) re-engage humans after joint activity	18
Seasonal changes in problem-solving in wild African striped mice	18
Spaced training enhances equine learning performance	18
Nest sanitation as an effective defence against brood parasitism	17
Cognitive flexibility in a Tanganyikan bower-building cichlid, Aulonocranus dewindti	16
Thinking about order: a review of common processing of magnitude and learned orders in animals	16
Sex differences in social buffering and social contagion of alarm responses in zebrafish	16
Mutual mother–pup vocal recognition in the highly colonial Cape fur seal: evidence of discrimination of calls with a high acoustic similarity	15
Grouping rule in tadpole: is quantity more or size assortment more important?	14
Injury shortens life expectancy in ants and affects some risk-related decisions of workers	14
Spot the odd one out: do snake pictures capture macaques’ attention more than other predators?	14
Horses discriminate between human facial and vocal expressions of sadness and joy	14
On being a Hydra with, and without, a nervous system: what do neurons add?	13
Learning and organization of within-session sequences by pigeons (Columba livia)	13
The PROUST hypothesis: the embodiment of olfactory cognition	13
A promising novel judgement bias test to evaluate affective states in dogs (Canis familiaris)	12

Both age and experience are important for successful problem solving in juvenile fawn-footed mosaic-tailed rats Melomys cervinipes	12
Cognitive control of song production by humpback whales	12
Lessons learned in animal acoustic cognition through comparisons with humans	12
A comparative study of mirror self-recognition in three corvid species	12
A new protocol for investigating visual two-choice discrimination learning in lizards	12
Decision making under risk: framing effects in pigeon risk preferences	11
Changes in the anxiety-like and fearful behavior of shrimp following daily threatening experiences	11
Impact of environmental complexity and stocking density on affective states of rainbow trout (Oncorhynchus mykiss)	11
Penguins perceive variations of source- and filter-related vocal parameters of species-specific vocalisations	11
Context specificity of latent inhibition in the snail Cornu aspersum	11
What drives horse success at following human-given cues? An investigation of handler familiarity and living conditions	11
Smart sharks: a review of chondrichthyan cognition	11
Incrementing non-matching- but not matching-to-sample is rapidly learned in an automated version of the odor span task	10
Overlooked evidence for semantic compositionality and signal reduction in wild chimpanzees (Pan troglodytes)	10
Behavioral laterality is correlated with problem-solving performance in a songbird	10
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)	10
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	10
Searching high and low: domestic dogs’ understanding of solidity	10
Orientation by environmental geometry and feature cues in the green and black poison frog (Dendrobates auratus)	10
Novel object recognition in Octopus maya	9
Cue polarization and representation in mouse home base behaviors	9
Host parent responses to heterospecific parasite nestling alarm calls are independent of past and current experience with experimental brood parasitism	9
Evidence of successive negative contrast in terrestrial toads (Rhinella arenarum): central or peripheral effect?	9
After 150 years of watching: is there a need for synthetic ethology?	9
Intra- and interspecific variation in self-control capacities of parrots in a delay of gratification task	9
Context-dependent use of olfactory cues by foragers of Vespula germanica social wasps	9
Volumetric and connectivity assessment of the caudate nucleus in California sea lions and coyotes	9
Are you better than me? Social comparisons in carrion crows (Corvus corone)	9
Emulative learning of a two-step task in free-ranging domestic pigs	9
Individual recognition and long-term memory of inanimate interactive agents and humans in dogs	9
Testing use of the first multi-partner cognitive enrichment devices by a group of male bottlenose dolphins	9
Can rats and ants exchange information between the horizontal and vertical domains?	9
Basal cognition: shifting the center of gravity (again)	9
Plasticity for the kin and conspecific preferences in the frog tadpoles (Rana ornativentris)	9
Tolerant macaque species are less impulsive and reactive	8
Wild skuas can use acoustic cues to locate hidden food	8
Varieties of visual navigation in insects	8
Nest box entrance hole size can influence nest site selection and nest defence behaviour in Japanese tits	8
Performance on inhibitory tasks does not relate to handedness in several small groups of Callitrichids	8
An exploratory analysis of head-tilting in dogs	8
The deterrent effects of individual monoterpene odours on the dietary decisions of African elephants	8
Behavioural synchronization and social referencing of dogs and humans: walking in dyad vs in group	8
First record of geophagy in Jungle Babbler (Turdoides striata) prior to egg-laying: an instinct for calcium supplement	8
Visual perception of emotion cues in dogs: a critical review of methodologies	8
African jewel fish (Hemichromis bimaculatus) distinguish individual faces based on their unique iridophore patterns	8
Bold and bright: shy and supple? The effect of habitat type on personality–cognition covariance in the Aegean wall lizard (Podarcis erhardii)	8
Odor-based mate choice copying in deer mice is not affected by familiarity or kinship	8
Visual categories and concepts in the avian brain	7
Meowing dogs: can dogs recognize cats in a cross-modal violation of expectancy task (Canis familiaris)?	7
Cognition of the manatee: past research and future developments	7

Gender differences in animal cognition science	7
Juvenile vervet monkeys rely on others when responding to danger	7
Quantity discrimination by kittens of the domestic cat (Felis silvestris catus)	7
Slowly walking down to the more food: relative quantity discrimination in African spurred tortoises (Centrochelys sulcata)	7
Active oscillations in microscale navigation	7
Mirror self-recognition in gorillas (Gorilla gorilla gorilla): a review and evaluation of mark test replications and variants	7
Through the eyes of a hunter: assessing perception and exclusion performance in ground-hornbills	7
Social experience drives the development of holistic face processing in paper wasps	7
Domestication effects on social information transfer in chickens	7
Assessing the performance of brushtail possums (Trichosurus vulpecula) on the Mechner counting procedure	7
Repeated testing does not confound cognitive performance in the Western Australian magpie (Cracticus tibicen dorsalis)	7
Count-based decision-making in mice: numerosity vs. stimulus control	7