OOIR: Observatory of International Research

Papers

(The TQCC of Animal Cognition is 8. 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 2021-12-01 to 2025-12-01.)

Article	Citations
Correction to: If horses had toes: demonstrating mirror self recognition at group level in Equus caballus	60
Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis	30
Thinking about order: a review of common processing of magnitude and learned orders in animals	26
Assessment of predation risk through conspecific cues by anuran larvae	26
Pet dogs (Canis familiaris) re-engage humans after joint activity	23
House sparrows use learned information selectively based on whether reward is hidden or visible	23
Spaced training enhances equine learning performance	23
Life is in motion (through a chick’s eye)	22
“Cognition in marine mammals: the strength of flexibility in adapting to marine life”	22
Disentangling help-seeking and giving up: differential human-directed gazing by dogs in a modified unsolvable task paradigm	19
Does owner handedness influence paw preference in dogs?	19
Nest sanitation as an effective defence against brood parasitism	18
Cognitive flexibility in a Tanganyikan bower-building cichlid, Aulonocranus dewindti	18
Mutual mother–pup vocal recognition in the highly colonial Cape fur seal: evidence of discrimination of calls with a high acoustic similarity	18
Injury shortens life expectancy in ants and affects some risk-related decisions of workers	17
Grouping rule in tadpole: is quantity more or size assortment more important?	17
Horses discriminate between human facial and vocal expressions of sadness and joy	16
Spot the odd one out: do snake pictures capture macaques’ attention more than other predators?	16
Sex differences in social buffering and social contagion of alarm responses in zebrafish	16
Lessons learned in animal acoustic cognition through comparisons with humans	15
Learning and organization of within-session sequences by pigeons (Columba livia)	14
A promising novel judgement bias test to evaluate affective states in dogs (Canis familiaris)	14
On being a Hydra with, and without, a nervous system: what do neurons add?	14
A new protocol for investigating visual two-choice discrimination learning in lizards	14
Cognitive control of song production by humpback whales	14

Both age and experience are important for successful problem solving in juvenile fawn-footed mosaic-tailed rats Melomys cervinipes	14
The PROUST hypothesis: the embodiment of olfactory cognition	14
Decision making under risk: framing effects in pigeon risk preferences	14
A comparative study of mirror self-recognition in three corvid species	13
What drives horse success at following human-given cues? An investigation of handler familiarity and living conditions	13
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	12
Smart sharks: a review of chondrichthyan cognition	12
Incrementing non-matching- but not matching-to-sample is rapidly learned in an automated version of the odor span task	12
Penguins perceive variations of source- and filter-related vocal parameters of species-specific vocalisations	12
Impact of environmental complexity and stocking density on affective states of rainbow trout (Oncorhynchus mykiss)	12
Context specificity of latent inhibition in the snail Cornu aspersum	12
Behavioral laterality is correlated with problem-solving performance in a songbird	11
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)	11
Cue polarization and representation in mouse home base behaviors	11
Can rats and ants exchange information between the horizontal and vertical domains?	10
Evidence of successive negative contrast in terrestrial toads (Rhinella arenarum): central or peripheral effect?	10
Basal cognition: shifting the center of gravity (again)	10
Individual recognition and long-term memory of inanimate interactive agents and humans in dogs	10
Host parent responses to heterospecific parasite nestling alarm calls are independent of past and current experience with experimental brood parasitism	10
African jewel fish (Hemichromis bimaculatus) distinguish individual faces based on their unique iridophore patterns	10
Orientation by environmental geometry and feature cues in the green and black poison frog (Dendrobates auratus)	10
Volumetric and connectivity assessment of the caudate nucleus in California sea lions and coyotes	10
Testing use of the first multi-partner cognitive enrichment devices by a group of male bottlenose dolphins	10
After 150 years of watching: is there a need for synthetic ethology?	10
Novel object recognition in Octopus maya	9
Are you better than me? Social comparisons in carrion crows (Corvus corone)	9
Wild skuas can use acoustic cues to locate hidden food	9
The deterrent effects of individual monoterpene odours on the dietary decisions of African elephants	9
Performance on inhibitory tasks does not relate to handedness in several small groups of Callitrichids	9
Emulative learning of a two-step task in free-ranging domestic pigs	9
Visual perception of emotion cues in dogs: a critical review of methodologies	9
Tolerant macaque species are less impulsive and reactive	9
Plasticity for the kin and conspecific preferences in the frog tadpoles (Rana ornativentris)	9
Varieties of visual navigation in insects	9
Nest box entrance hole size can influence nest site selection and nest defence behaviour in Japanese tits	9
Mirror self-recognition in gorillas (Gorilla gorilla gorilla): a review and evaluation of mark test replications and variants	8
Bold and bright: shy and supple? The effect of habitat type on personality–cognition covariance in the Aegean wall lizard (Podarcis erhardii)	8
Count-based decision-making in mice: numerosity vs. stimulus control	8
Juvenile vervet monkeys rely on others when responding to danger	8
Social experience drives the development of holistic face processing in paper wasps	8
Repeated testing does not confound cognitive performance in the Western Australian magpie (Cracticus tibicen dorsalis)	8
Gender differences in animal cognition science	8
Quantity discrimination by kittens of the domestic cat (Felis silvestris catus)	8
First record of geophagy in Jungle Babbler (Turdoides striata) prior to egg-laying: an instinct for calcium supplement	8
Behavioural synchronization and social referencing of dogs and humans: walking in dyad vs in group	8
Through the eyes of a hunter: assessing perception and exclusion performance in ground-hornbills	8
Slowly walking down to the more food: relative quantity discrimination in African spurred tortoises (Centrochelys sulcata)	8