Play Behaviors-Primates

Author(s): Palagi, E., Demuru, E.
NIFP Rating: 8

Play, especially in its social form, is an enigmatic and multifunctional behavior that is essential for the development and maintenance of a great variety of individual and social competences in many social species. Bonobos are recognized as one of the most playful species and they can be used as a model to evaluate the importance […]

Author(s): Palagi, E.
NIFP Rating: 9

This study compares adult play behavior in the two Pan species in order to test the effects of phylogenetic closeness and the nature of social systems on play distribution. The social play (both with fertile and immature subjects) performed by adults did not differ between the two species. In contrast, in bonobos, play levels among […]

Author(s): Pellis, S.M., Pellis, V.C.
NIFP Rating: 3

Spider monkeys shake their heads so as to facilitate amicable social contact. This occurs frequently during vigorous play fighting, and so is common during the juvenile period. Occasionally, juvenile spider monkeys use headshakes during nonsocial locomotor play. In this study, head shaking in early infancy and in adulthood was studied in a captive troop of […]

Author(s): Palagi, E.
NIFP Rating: 7

Adult strepsirrhines have been completely neglected in the study of animal play. I focused on adult play fighting and the role of tail-play as a signal in ringtailed lemurs (Lemur catta). Tail-play is performed during play fighting, when lemurs anoint or, more rarely, wave their tails toward the playmate. During the prereproductive period, male and […]

Author(s): Scopa, C., Palagi, E.
NIFP Rating: 7

Social play and tolerance are positively correlated and playful signals are more freely expressed in egalitarian than in despotic species. Macaque species are organized along a continuum from intolerant to tolerant social systems and, for this reason, they are good models to test some hypotheses about the possible linkage between communication and tolerance. We compared […]

Author(s): Pellis, S.M., Pellis, V.C.
NIFP Rating: 7

play fighting is a commonly reported form of play that involves competitive interactions that generally do not escalate to serious fighting. Although in many species what are competed over are the body targets that are bitten or struck in serious fighting, for many others, the competition can be over other forms of contact, such as […]

Author(s): Pellis, S.M., Iwaniuk, A.N.
NIFP Rating: 2

Although play fighting, like play generally, is predominantly a feature of the juvenile phase, such behavior persists in the adults of many species. There are two major contexts in which adults engage in play fighting – with juveniles and with other adults. The least attention has been given to adult-adult play. However, one pattern that […]

Author(s): E. Palagi, I. Norscia, G. Spada
NIFP Rating: 7

Play signals are commonly used by animals to communicate their playful motivation and to limit the risk that rough acts are misunderstood by playmates. The relaxed open mouth is the most common facial expression performed during play in many mammals and represents the ritualized version of the movement anticipating a play bite. The signaling nature […]

Author(s): E. Palagi, G. Cordoni, E. Demuru, Marc Bekoff
NIFP Rating: 9

The concept of peace, with its corollary of behaviours, strategies and social implications, is commonly believed as a uniquely human feature. Through a comparative approach, we show how social play in animals may have paved the way for the emergence of peace. By playing fairly, human and nonhuman animals learn to manage their social dynamics […]

Author(s): E. Palagi, D. Antonacci, G. Cordoni

Social play, which involves cooperation, communication, and learning, may represent a suitable field for the investigation of cognitive ability in a given species. We collected data on a captive group of gorillas in order to evaluate the potential cognitive skill of juveniles in fine-tuning play behavior. This study revealed that juvenile gorillas are able to […]

Author(s): E. Palagi

Play is ephemeral and versatile. Probably for this reason it is so difficult to study systematically. Results from the last two decades of research suggest that play is a multifunctional phenomenon that varies according to different factors such as the species, age, sex, relationship quality of the players, etc. Accordingly, animal play needs to be […]

Author(s): B.C. O’Meara, K.L. Graham, S.M. Pellis, G.M Burghardt
NIFP Rating: 6

What factors in animal life history facilitate or reduce the probability that a species will perform play behavior? While some relationships are known within species and across individuals, it is not obvious that such relationships can be used to explain differences and similarities in amount and type of play across large taxonomic groupings of animals, […]

Author(s): Marek Špinka, Marie Palečková, Milada Reháková
NIFP Rating: 4

The metacommunication hypothesis asserts that some elements of play behaviour are associated with play elements borrowed from aggression and interpret these aggression-like elements as playful. Using data from free living Hanuman langurs (Semnopithecus entellus), we tested three predictions that follow from the metacommunication hypothesis: (i) aggression-like elements (ALEs) abbreviate play bouts; (ii) candidate signal elements […]

Author(s): Z. Clay, E. Palagi, F.B.M. de Waal
NIFP Rating: 9

Given that the cognitive and affective processes underlying empathy do not fossilize, studies of the empathic capacities of nonhuman primates provide us with a critical window through which we can explore the evolutionary origins of human empathy. Specifically, the comparative method provides an opportunity to determine which features of empathy are uniquely human and which […]

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