Nestling barn owls assess short-term variation in the amount of vocally competing siblings.

abstract：:Few studies have examined whether non-human tool-users understand the properties that are relevant for a tool's function. We tested cotton-top tamarins (Saguinus oedipus) and rhesus macaques (Macaca mulatta) on an expectancy violation procedure designed to assess whether these species make distinctions between the fun...

journal_title：Animal cognition

authors： Santos LR,Miller CT,Hauser MD

更新日期：2003-12-01 00:00:00

abstract：:Due to the high variability in predation risk through space and time, prey have to continuously update information about the risk level posed by predators. Despite numerous studies focusing on temporal risk assessment, we know very little about how individuals deal with information regarding changes in risk level of a...

journal_title：Animal cognition

authors： Ferrari MC,Chivers DP

更新日期：2013-07-01 00:00:00

abstract：:Nonhuman animals demonstrate a number of impressive quantitative skills such as counting sets of items, comparing sets on the basis of the number of items or amount of material, and even responding to simple arithmetic manipulations. In this experiment, capuchin monkeys were presented with a computerized task designed...

journal_title：Animal cognition

authors： Beran MJ

更新日期：2008-01-01 00:00:00

abstract：:Group living confers ecological benefits, and the associated fitness gain may be positively related to the size of the group. Thus, the ability to discriminate numerical differences may confer important fitness advantages in social fish. There is evidence that this ability can be improved by behavioral interactions am...

journal_title：Animal cognition

authors： Bai Y,Tang ZH,Fu SJ

更新日期：2019-03-01 00:00:00

abstract：:Currently, there is still no consensus about whether animals can ascribe mental states (Theory of Mind) to themselves and others. Showing animals can respond to cues that indicate whether another has visual access to a target or not, and that they are able to use this information as a basis for whom to rely on as an i...

journal_title：Animal cognition

authors： Catala A,Mang B,Wallis L,Huber L

更新日期：2017-07-01 00:00:00

abstract：:One model of signal evolution is based on the notion that behaviours become increasingly detached from their original biological functions to obtain a communicative value. Selection may not always favour the evolution of such transitions, for instance, if signalling is costly due to predators usurping signal productio...

journal_title：Animal cognition

authors： Dahl CD,Wyss C,Zuberbühler K,Bachmann I

更新日期：2018-07-01 00:00:00

abstract：:There are simple co-occurrences as well as functional relationships between events. One may assume that animals detect and use causation rather than mere co-variation. However, understanding causation often requires concepts of hidden forces. In string pulling, obstacles may hamper the access to food. Here, I studied ...

journal_title：Animal cognition

authors： Pfuhl G

更新日期：2012-07-01 00:00:00

abstract：:North African desert ants, Cataglyphis, use path integration to calculate a home vector during their foraging trips, constantly informing them about their position relative to the nest. This home vector is also used to find the way back to a productive feeding site the ant has encountered and thus memorized. When the ...

journal_title：Animal cognition

authors： Pfeffer SE,Bolek S,Wolf H,Wittlinger M

更新日期：2015-07-01 00:00:00

abstract：:When humans process visual stimuli, global information often takes precedence over local information. In contrast, some recent studies have pointed to a local precedence effect in both pigeons and nonhuman primates. In the experiment reported here, we compared the speed of acquisition of two different categorizations ...

journal_title：Animal cognition

authors： Goto K,Wills AJ,Lea SE

更新日期：2004-04-01 00:00:00

abstract：:Fish move in a three-dimensional environment in which it is important to discriminate between stimuli varying in colour, size, and shape. It is also advantageous to be able to recognize the same structures or individuals when presented from different angles, such as back to front or front to side. This study assessed ...

journal_title：Animal cognition

authors： Schluessel V,Kraniotakes H,Bleckmann H

更新日期：2014-03-01 00:00:00

abstract：:Single-trial learning and long-term memory of "what" and "who" information were examined in an adult gorilla (Gorilla gorilla gorilla). We presented the gorilla with a to-be-remembered food item at the time of study. In Experiment 1, following a retention interval of either approximately 7 min or 24 h, the gorilla res...

journal_title：Animal cognition

authors： Schwartz BL,Colon MR,Sanchez IC,Rodriguez IA,Evans S

更新日期：2002-06-01 00:00:00

abstract：:When animals show both frequent innovation and fast social learning, new behaviours can spread more rapidly through populations and potentially increase rates of natural selection and speciation, as proposed by A.C. Wilson in his behavioural drive hypothesis. Comparative work on primates suggests that more innovative ...

journal_title：Animal cognition

authors： Bouchard J,Goodyer W,Lefebvre L

更新日期：2007-04-01 00:00:00

abstract：:Successful navigation within an environment requires that the traveler establish the correct heading--a process referred to as orienting. Many studies have now shown that humans and non-human animals can use the geometric properties of an enclosure to orient. In the present study, two groups of Clark's nutcrackers (Nu...

journal_title：Animal cognition

authors： Kelly DM

更新日期：2010-05-01 00:00:00

abstract：:For group-living mammals, social coordination increases success in everything from hunting and foraging (Crofoot and Wrangham in Mind the Gap, Springer, Berlin, 2010; Bailey et al. in Behav Ecol Sociobiol 67:1-17, 2013) to agonism (Mosser and Packer in Anim Behav 78:359-370, 2009; Wilson et al. in Anim Behav 83:277-29...

journal_title：Animal cognition

authors： Cassidy KA,McIntyre RT

更新日期：2016-09-01 00:00:00

abstract：:Throughout the animal kingdom, antipredator mechanisms are an evolutionary driving force to enable the survival of species classified as prey. Information regarding a predator's location can be determined through chemosensory cues from urine, faeces, visual and/or acoustic signals and anal gland secretions; and in sev...

journal_title：Animal cognition

authors： Samuel L,Arnesen C,Zedrosser A,Rosell F

更新日期：2020-07-01 00:00:00

abstract：:Social animals should have plenty of opportunities to learn from conspecifics, but most studies have failed to document social learning in horses. This study investigates whether young Icelandic horses can learn a spatial detour task through observation of a trained demonstrator horse of either the same age (Experimen...

journal_title：Animal cognition

authors： Rørvang MV,Ahrendt LP,Christensen JW

更新日期：2015-07-01 00:00:00

abstract：:Six rats were trained to find a previously missing target or 'jackpot' object in a square array of four identical or different objects (the test segment of a trial) after first visiting and collecting sunflower seeds from under the other three objects (the study segment of a trial). During training, objects' local pos...

journal_title：Animal cognition

authors： Arain M,Parameswaran V,Cohen J

更新日期：2012-09-01 00:00:00

abstract：:We examined inferential reasoning by exclusion in the Clark's nutcracker (Nucifraga columbiana) using two-way object-choice procedures. While other social scatter-hoarding corvids appear capable of engaging in inferential reasoning, it remains unclear if the relatively less social nutcracker is able to do so. In an in...

journal_title：Animal cognition

authors： Tornick JK,Gibson BM

更新日期：2013-07-01 00:00:00

abstract：:Much recent comparative work has been devoted to exploring what nonhuman primates understand about physical causality. However, few laboratory experiments have attempted to test what nonhumans understand about what physical acts others are capable of performing. We tested seven chimpanzees' ability to predict which of...

journal_title：Animal cognition

authors： Vonk J,Subiaul F

更新日期：2009-03-01 00:00:00

abstract：:Pairing a previously neutral conditioned stimulus (CS; e.g., a tone) to an aversive unconditioned stimulus (US; e.g., a foot-shock) leads to associative learning such that the tone alone will elicit a conditioned response (e.g., freezing). Individuals can also acquire fear from a social context, such as through observ...

journal_title：Animal cognition

authors： Jones CE,Riha PD,Gore AC,Monfils MH

更新日期：2014-05-01 00:00:00

abstract：:Killer whales (KW) may be predators or competitors of other cetaceans. Since their foraging behavior and acoustics differ among populations ('ecotypes'), we hypothesized that other cetaceans can eavesdrop on KW sounds and adjust their behavior according to the KW ecotype. We performed playback experiments on long-finn...

journal_title：Animal cognition

authors： Curé C,Isojunno S,I Vester H,Visser F,Oudejans M,Biassoni N,Massenet M,Barluet de Beauchesne L,J Wensveen P,Sivle LD,Tyack PL,Miller PJO

更新日期：2019-09-01 00:00:00

abstract：:When trained in a rectangular arena, some research has suggested that rats are guided by local features rather than overall boundary geometry. We explored this hypothesis using the terrestrial toad, Rhinella arenarum, as a comparative contrast. In two experiments, toads were trained to find a water-reward goal locatio...

journal_title：Animal cognition

authors： Sotelo MI,Alcalá JA,Bingman VP,Muzio RN

更新日期：2020-01-01 00:00:00

abstract：:In previous conditioning experiments training domestic chickens to magnetic directions, a brown strain solved the task, whereas a white strain seemed unable to do so (Freire et al. Anim Cogn 11:547-552, 2008). To test whether this was possibly caused by loss of magnetic compass orientation in the white chickens, we an...

journal_title：Animal cognition

authors： Denzau S,Niessner C,Wiltschko R,Wiltschko W

更新日期：2013-05-01 00:00:00

abstract：:We examined attentional biases for social and non-social emotional stimuli in young adult men and compared the results to those of male rhesus monkeys (Macaca mulatta) previously tested in a similar dot-probe task (King et al. in Psychoneuroendocrinology 37(3):396-409, 2012). Recognition memory for these stimuli was a...

journal_title：Animal cognition

authors： Lacreuse A,Schatz K,Strazzullo S,King HM,Ready R

更新日期：2013-11-01 00:00:00

abstract：:The ability to use heterospecific alarm calls is adaptive in the wild, as it provides an opportunity to avoid predators. We now know that several species are able to respond to alarm calls intended for others. However, this capacity has never been investigated in domestic animals. The capacity to use heterospecific al...

journal_title：Animal cognition

authors： Dutour M,Danel S

更新日期：2021-01-01 00:00:00

abstract：:Wild animals face the challenge of locating feeding sites distributed across broad spatial and temporal scales. Spatial memory allows animals to find a goal, such as a productive feeding patch, even when there are no goal-specific sensory cues available. Because there is little experimental information on learning and...

journal_title：Animal cognition

authors： Lührs ML,Dammhahn M,Kappeler PM,Fichtel C

更新日期：2009-07-01 00:00:00

abstract：:Quantity discrimination is adaptive in a variety of ecological contexts and different taxa discriminate stimuli differing in numerousness, both in the wild and in laboratory settings. Quantity discrimination between object arrays has been suggested to be more demanding than between food arrays but, to our knowledge, t...

journal_title：Animal cognition

authors： Addessi E,Crescimbene L,Visalberghi E

更新日期：2008-04-01 00:00:00

abstract：:Urban animals and birds in particular are able to cope with diverse novel threats in a city environment such as avoiding novel, unfamiliar predators. Predator avoidance often includes alarm signals that can be used also by hetero-specifics, which is mainly the case in mixed-species flocks. It can also occur when speci...

journal_title：Animal cognition

authors： Bílá K,Beránková J,Veselý P,Bugnyar T,Schwab C

更新日期：2017-01-01 00:00:00

abstract：:An overview of mechanistic and functional accounts of stimulus generalisation is given. Mechanistic accounts rely on the process of spreading activation across units representing stimuli. Different models implement the spread in different ways, ranging from diffusion to connectionist networks. A functional account pro...

journal_title：Animal cognition

authors： Cheng K

更新日期：2002-03-01 00:00:00

abstract：:Many animal species use a variety of cognitive strategies to locate food resources. One strategy is to make inferences by exclusion, i.e., perceiving the absence of reward as a cue that another location should be investigated. The use of such advanced cognitive strategies may be more prominent in species that are know...

journal_title：Animal cognition

authors： Petit O,Dufour V,Herrenschmidt M,De Marco A,Sterck EH,Call J

更新日期：2015-07-01 00:00:00