Recent studies have shown that contrary to expectation, larger-brained species within mammalian orders are not more likely to engage in play. This is true for
Using a data set of 69 different mammalian species, Heffner and Masterton propose that the longer and deeper the fibres of the corticospinal tract, the
The relationship between manus proportions and forepaw dexterity in 33 species of carnivores (Carnivora) was examined. Both the analysis of “raw ” data and independent
This study examined manual dexterity and skilled limb movements in two species of tree kangaroos (Dendrolagus lumholtzi and D. matschiei) in order to evaluate the
Even though behavior tends to occur as a continuous stream of action in most situations, there are discernible regularities that lead observers to label and
Whether it is that animals are young so that they can play, or whether it is that they play because they are young, play should
It has been hypothesized that play is more likely to be present in larger brained species. We tested this hypothesis in mammals using independent contrasts,
The macaques are the most geographically widespread and behaviourally diverse primate genus. Many of the diversified features of social behaviour and organization in this genus
Whether it is that animals are young so that they can play, or whether it is that they play because they are young, play should
In monogamous species, an abiding relationship between a specific adult male and a specific adult female is a defining feature of the social system. The
A composite index incorporating the frequency and structure (target, type of defence, etc.) of play fighting was used to compare the complexity of such play
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
Join our newsletter to stay up to date on the latest in play.
NIFPlay and Dr. Stuart Brown have been featured in these media outlets (and more!)
The Institute wants the world to know:
A) Playing, being playful, is the healthiest way to spend your time (after feeding and housing yourself).
B) The activities that evoke playful feelings are unique to each of us.
© Copyright 2007-2025. All Rights Reserved. Privacy Policy. Cookie Policy.
National Institute for Play is a 501(c)(3) non-profit, public benefit corporation.
