OOIR: Observatory of International Research

Papers

(The TQCC of Animal Cognition is 9. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Correction to: If horses had toes: demonstrating mirror self recognition at group level in Equus caballus	67
Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis	31
House sparrows use learned information selectively based on whether reward is hidden or visible	28
“Cognition in marine mammals: the strength of flexibility in adapting to marine life”	27
Life is in motion (through a chick’s eye)	25
Nest sanitation as an effective defence against brood parasitism	24
Disentangling help-seeking and giving up: differential human-directed gazing by dogs in a modified unsolvable task paradigm	23
Pet dogs (Canis familiaris) re-engage humans after joint activity	22
Assessment of predation risk through conspecific cues by anuran larvae	20
Thinking about order: a review of common processing of magnitude and learned orders in animals	19
Does owner handedness influence paw preference in dogs?	19
Cognitive flexibility in a Tanganyikan bower-building cichlid, Aulonocranus dewindti	18
Grouping rule in tadpole: is quantity more or size assortment more important?	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	18
Spot the odd one out: do snake pictures capture macaques’ attention more than other predators?	17
Sex differences in social buffering and social contagion of alarm responses in zebrafish	16
Lessons learned in animal acoustic cognition through comparisons with humans	16
Horses discriminate between human facial and vocal expressions of sadness and joy	16
Learning and organization of within-session sequences by pigeons (Columba livia)	15
Both age and experience are important for successful problem solving in juvenile fawn-footed mosaic-tailed rats Melomys cervinipes	15
The PROUST hypothesis: the embodiment of olfactory cognition	15
A promising novel judgement bias test to evaluate affective states in dogs (Canis familiaris)	14
A new protocol for investigating visual two-choice discrimination learning in lizards	14
Decision making under risk: framing effects in pigeon risk preferences	14

Cognitive control of song production by humpback whales	14
A comparative study of mirror self-recognition in three corvid species	14
On being a Hydra with, and without, a nervous system: what do neurons add?	14
What drives horse success at following human-given cues? An investigation of handler familiarity and living conditions	13
Context specificity of latent inhibition in the snail Cornu aspersum	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
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
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)	12
Impact of environmental complexity and stocking density on affective states of rainbow trout (Oncorhynchus mykiss)	12
Host parent responses to heterospecific parasite nestling alarm calls are independent of past and current experience with experimental brood parasitism	11
Evidence of successive negative contrast in terrestrial toads (Rhinella arenarum): central or peripheral effect?	11
Behavioral laterality is correlated with problem-solving performance in a songbird	11
Testing use of the first multi-partner cognitive enrichment devices by a group of male bottlenose dolphins	11
Cue polarization and representation in mouse home base behaviors	11
Volumetric and connectivity assessment of the caudate nucleus in California sea lions and coyotes	11
Orientation by environmental geometry and feature cues in the green and black poison frog (Dendrobates auratus)	10
African jewel fish (Hemichromis bimaculatus) distinguish individual faces based on their unique iridophore patterns	10
Performance on inhibitory tasks does not relate to handedness in several small groups of Callitrichids	10
Plasticity for the kin and conspecific preferences in the frog tadpoles (Rana ornativentris)	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
Are you better than me? Social comparisons in carrion crows (Corvus corone)	10
Can rats and ants exchange information between the horizontal and vertical domains?	10
After 150 years of watching: is there a need for synthetic ethology?	10
Novel object recognition in Octopus maya	10
Emulative learning of a two-step task in free-ranging domestic pigs	10
Tolerant macaque species are less impulsive and reactive	9
The deterrent effects of individual monoterpene odours on the dietary decisions of African elephants	9
Social experience drives the development of holistic face processing in paper wasps	9
Wild skuas can use acoustic cues to locate hidden food	9
Visual perception of emotion cues in dogs: a critical review of methodologies	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
First record of geophagy in Jungle Babbler (Turdoides striata) prior to egg-laying: an instinct for calcium supplement	9