Terkko Navigator / Animal cognition

Why wait to mark? Possible reasons behind latency from olfactory exploration to overmarking in four African equid species

Assessing the performance of brushtail possums (Trichosurus vulpecula) on the Mechner counting procedure

Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis

Individual differences in co-representation in three monkey species (Callithrix jacchus, Sapajus apella and Macaca tonkeana) in the joint Simon task: the role of social factors and inhibitory control

Domestication effects on social information transfer in chickens

Mutual mother–pup vocal recognition in the highly colonial Cape fur seal: evidence of discrimination of calls with a high acoustic similarity

Impact of environmental complexity and stocking density on affective states of rainbow trout (Oncorhynchus mykiss)

Mirror image stimulation could reverse social-isolation-induced aggressiveness in the high-level subsocial lactating spider

Context-dependent and seasonal fluctuation in bottlenose dolphin (Tursiops truncatus) vocalizations

Through the eyes of a hunter: assessing perception and exclusion performance in ground-hornbills

Correction to: Domestic cats (Felis catus) prefer freely available food over food that requires effort

Dogs can infer implicit information from human emotional expressions

Decision-making at the time of parasitism: cowbirds prefer to peck eggs with weaker shells

Preference and discrimination of facial expressions of humans, rats, and mice by C57 mice

Memory enhances problem solving in the fawn-footed mosaic-tailed rat Melomys cervinipes

Developing a feasible and sensitive judgement bias task in dairy cows

Friend or foe: Risso’s dolphins eavesdrop on conspecific sounds to induce or avoid intra-specific interaction

Decision making under risk: framing effects in pigeon risk preferences

Star finches Neochmia ruficauda have a visual preference for white dot patterns: a possible case of trypophilia

Wild skuas can use acoustic cues to locate hidden food

Incrementing non-matching- but not matching-to-sample is rapidly learned in an automated version of the odor span task

Hermit crabs, shells, and sentience

Sexual differences in responses of meadow voles to environmental cues in the presence of mink odor

Zebrafish excel in number discrimination under an operant conditioning paradigm

Testing use of the first multi-partner cognitive enrichment devices by a group of male bottlenose dolphins

The acoustic bases of human voice identity processing in dogs

Detecting surface changes in a familiar tune: exploring pitch, tempo and timbre

A new protocol for investigating visual two-choice discrimination learning in lizards

Variation in inhibitory control does not influence social rank, foraging efficiency, or risk taking, in red junglefowl females

Disturbance cues function as a background risk cue but not as an associative learning cue in tadpoles

Where to sleep next? Evidence for spatial memory associated with sleeping sites in Skywalker gibbons (Hoolock tianxing)

Chimpanzees (Pan troglodytes) detect strange body parts: an eye-tracking study

An intentional cohesion call in male chimpanzees of Budongo Forest

Bold and bright: shy and supple? The effect of habitat type on personality–cognition covariance in the Aegean wall lizard (Podarcis erhardii)

Perceptual grouping and detection of trial-unique emergent structures by pigeons

Disentangling help-seeking and giving up: differential human-directed gazing by dogs in a modified unsolvable task paradigm

Individuality, species-specific features, and female discrimination of male southern white rhinoceros courtship calls

Mirror self-recognition in gorillas (Gorilla gorilla gorilla): a review and evaluation of mark test replications and variants

Flexibility and rigidity in hunting behaviour in rodents: is there room for cognition?

Digital embryos: a novel technical approach to investigate perceptual categorization in pigeons (Columba livia) using machine learning

A promising novel judgement bias test to evaluate affective states in dogs (Canis familiaris)

Correction to: Does inequity aversion depend on a frustration effect? A test with capuchin monkeys (Cebus apella)

Mirror-mediated string-pulling task in Eurasian jays (Garrulus glandarius)

Spaced training enhances equine learning performance

Captivity and habituation to humans raise curiosity in vervet monkeys

Persistence is key: investigating innovative problem solving by Asian elephants using a novel multi-access box

Context-dependent use of olfactory cues by foragers of Vespula germanica social wasps

Correction to: Developing a feasible and sensitive judgement bias task in dairy cows

Overlooked evidence for semantic compositionality and signal reduction in wild chimpanzees (Pan troglodytes)

Vultures as an overlooked model in cognitive ecology