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 2021-11-01 to 2025-11-01.)

Article	Citations
Nest sanitation as an effective defence against brood parasitism	56
Correction to: If horses had toes: demonstrating mirror self recognition at group level in Equus caballus	29
Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis	25
Assessment of predation risk through conspecific cues by anuran larvae	23
Does owner handedness influence paw preference in dogs?	23
Spaced training enhances equine learning performance	22
Thinking about order: a review of common processing of magnitude and learned orders in animals	22
House sparrows use learned information selectively based on whether reward is hidden or visible	22
“Cognition in marine mammals: the strength of flexibility in adapting to marine life”	20
Pet dogs (Canis familiaris) re-engage humans after joint activity	18
Disentangling help-seeking and giving up: differential human-directed gazing by dogs in a modified unsolvable task paradigm	18
Life is in motion (through a chick’s eye)	18
Mutual mother–pup vocal recognition in the highly colonial Cape fur seal: evidence of discrimination of calls with a high acoustic similarity	17
Cognitive flexibility in a Tanganyikan bower-building cichlid, Aulonocranus dewindti	16
Spot the odd one out: do snake pictures capture macaques’ attention more than other predators?	16
Injury shortens life expectancy in ants and affects some risk-related decisions of workers	16
Sex differences in social buffering and social contagion of alarm responses in zebrafish	16
Grouping rule in tadpole: is quantity more or size assortment more important?	16
Horses discriminate between human facial and vocal expressions of sadness and joy	16
A new protocol for investigating visual two-choice discrimination learning in lizards	14
Learning and organization of within-session sequences by pigeons (Columba livia)	14
Both age and experience are important for successful problem solving in juvenile fawn-footed mosaic-tailed rats Melomys cervinipes	14
Lessons learned in animal acoustic cognition through comparisons with humans	14
On being a Hydra with, and without, a nervous system: what do neurons add?	14
The PROUST hypothesis: the embodiment of olfactory cognition	14

A promising novel judgement bias test to evaluate affective states in dogs (Canis familiaris)	13
Cognitive control of song production by humpback whales	13
What drives horse success at following human-given cues? An investigation of handler familiarity and living conditions	13
Penguins perceive variations of source- and filter-related vocal parameters of species-specific vocalisations	12
Incrementing non-matching- but not matching-to-sample is rapidly learned in an automated version of the odor span task	12
Decision making under risk: framing effects in pigeon risk preferences	12
Impact of environmental complexity and stocking density on affective states of rainbow trout (Oncorhynchus mykiss)	12
Smart sharks: a review of chondrichthyan cognition	12
A comparative study of mirror self-recognition in three corvid species	12
Context specificity of latent inhibition in the snail Cornu aspersum	12
Overlooked evidence for semantic compositionality and signal reduction in wild chimpanzees (Pan troglodytes)	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
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	11
Cue polarization and representation in mouse home base behaviors	11
Behavioral laterality is correlated with problem-solving performance in a songbird	11
Context-dependent use of olfactory cues by foragers of Vespula germanica social wasps	10
Evidence of successive negative contrast in terrestrial toads (Rhinella arenarum): central or peripheral effect?	10
Testing use of the first multi-partner cognitive enrichment devices by a group of male bottlenose dolphins	10
Host parent responses to heterospecific parasite nestling alarm calls are independent of past and current experience with experimental brood parasitism	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	9
Performance on inhibitory tasks does not relate to handedness in several small groups of Callitrichids	9
Are you better than me? Social comparisons in carrion crows (Corvus corone)	9
Can rats and ants exchange information between the horizontal and vertical domains?	9
Individual recognition and long-term memory of inanimate interactive agents and humans in dogs	9
African jewel fish (Hemichromis bimaculatus) distinguish individual faces based on their unique iridophore patterns	9
Basal cognition: shifting the center of gravity (again)	9
Emulative learning of a two-step task in free-ranging domestic pigs	9
After 150 years of watching: is there a need for synthetic ethology?	9
Through the eyes of a hunter: assessing perception and exclusion performance in ground-hornbills	8
Varieties of visual navigation in insects	8
Tolerant macaque species are less impulsive and reactive	8
Nest box entrance hole size can influence nest site selection and nest defence behaviour in Japanese tits	8
Cognition of the manatee: past research and future developments	8
Behavioural synchronization and social referencing of dogs and humans: walking in dyad vs in group	8
Count-based decision-making in mice: numerosity vs. stimulus control	8
Plasticity for the kin and conspecific preferences in the frog tadpoles (Rana ornativentris)	8
The deterrent effects of individual monoterpene odours on the dietary decisions of African elephants	8
Visual perception of emotion cues in dogs: a critical review of methodologies	8
Bold and bright: shy and supple? The effect of habitat type on personality–cognition covariance in the Aegean wall lizard (Podarcis erhardii)	8
Mirror self-recognition in gorillas (Gorilla gorilla gorilla): a review and evaluation of mark test replications and variants	8
Social experience drives the development of holistic face processing in paper wasps	8
Novel object recognition in Octopus maya	8
Wild skuas can use acoustic cues to locate hidden food	8
First record of geophagy in Jungle Babbler (Turdoides striata) prior to egg-laying: an instinct for calcium supplement	8
Repeated testing does not confound cognitive performance in the Western Australian magpie (Cracticus tibicen dorsalis)	8