OOIR: Observatory of International Research

Papers

(The TQCC of Animal Cognition is 10. 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 2022-05-01 to 2026-05-01.)

Article	Citations
House sparrows use learned information selectively based on whether reward is hidden or visible	77
Pet dogs (Canis familiaris) re-engage humans after joint activity	40
Correction to: If horses had toes: demonstrating mirror self recognition at group level in Equus caballus	36
“Cognition in marine mammals: the strength of flexibility in adapting to marine life”	32
Nest sanitation as an effective defence against brood parasitism	29
Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis	27
Does owner handedness influence paw preference in dogs?	25
Life is in motion (through a chick’s eye)	23
Thinking about order: a review of common processing of magnitude and learned orders in animals	23
Grouping rule in tadpole: is quantity more or size assortment more important?	21
Spot the odd one out: do snake pictures capture macaques’ attention more than other predators?	21
Assessment of predation risk through conspecific cues by anuran larvae	21
Cognitive flexibility in a Tanganyikan bower-building cichlid, Aulonocranus dewindti	21
Injury shortens life expectancy in ants and affects some risk-related decisions of workers	20
Sex differences in social buffering and social contagion of alarm responses in zebrafish	19
The PROUST hypothesis: the embodiment of olfactory cognition	18
Mutual mother–pup vocal recognition in the highly colonial Cape fur seal: evidence of discrimination of calls with a high acoustic similarity	18
Both age and experience are important for successful problem solving in juvenile fawn-footed mosaic-tailed rats Melomys cervinipes	18
Horses discriminate between human facial and vocal expressions of sadness and joy	18
On being a Hydra with, and without, a nervous system: what do neurons add?	18
Learning and organization of within-session sequences by pigeons (Columba livia)	18
Lessons learned in animal acoustic cognition through comparisons with humans	17
Cognitive control of song production by humpback whales	16
What drives horse success at following human-given cues? An investigation of handler familiarity and living conditions	16
A comparative study of mirror self-recognition in three corvid species	15

Smart sharks: a review of chondrichthyan cognition	15
Penguins perceive variations of source- and filter-related vocal parameters of species-specific vocalisations	14
Behavioral laterality is correlated with problem-solving performance in a songbird	14
Context specificity of latent inhibition in the snail Cornu aspersum	14
Cue polarization and representation in mouse home base behaviors	13
Can rats and ants exchange information between the horizontal and vertical domains?	13
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)	13
Basal cognition: shifting the center of gravity (again)	13
Individual recognition and long-term memory of inanimate interactive agents and humans in dogs	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	13
Orientation by environmental geometry and feature cues in the green and black poison frog (Dendrobates auratus)	13
Volumetric and connectivity assessment of the caudate nucleus in California sea lions and coyotes	13
Evidence of successive negative contrast in terrestrial toads (Rhinella arenarum): central or peripheral effect?	13
Performance on inhibitory tasks does not relate to handedness in several small groups of Callitrichids	12
Novel object recognition in Octopus maya	12
Plasticity for the kin and conspecific preferences in the frog tadpoles (Rana ornativentris)	12
Emulative learning of a two-step task in free-ranging domestic pigs	12
African jewel fish (Hemichromis bimaculatus) distinguish individual faces based on their unique iridophore patterns	12
Visual perception of emotion cues in dogs: a critical review of methodologies	11
After 150 years of watching: is there a need for synthetic ethology?	11
The deterrent effects of individual monoterpene odours on the dietary decisions of African elephants	11
Tolerant macaque species are less impulsive and reactive	11
Varieties of visual navigation in insects	11
Nest box entrance hole size can influence nest site selection and nest defence behaviour in Japanese tits	11
Are you better than me? Social comparisons in carrion crows (Corvus corone)	11
First record of geophagy in Jungle Babbler (Turdoides striata) prior to egg-laying: an instinct for calcium supplement	10
Domestication effects on social information transfer in chickens	10
Social experience drives the development of holistic face processing in paper wasps	10
Cognition of the manatee: past research and future developments	10
Slowly walking down to the more food: relative quantity discrimination in African spurred tortoises (Centrochelys sulcata)	10
Behavioural synchronization and social referencing of dogs and humans: walking in dyad vs in group	10
Quantity discrimination by kittens of the domestic cat (Felis silvestris catus)	10
Repeated testing does not confound cognitive performance in the Western Australian magpie (Cracticus tibicen dorsalis)	10