Monkeys play to reduce group tension, study finds angliaruskin
The study, carried out by a team of researchers from Spain, Brazil and the UK, and published in the journalThe researchers examined how play varies with age, and they measured the amount of time adults play with other adults and with juvenile monkeys within their groups.
By studying seven different groups of howler monkeys in the rainforests of Mexico and Costa Rica, the researchers found that the amount of adult play is linked to the number of potential playmates, increasing in line with the size of the group. Adults spend more time playing with other adults, rather than juveniles, andCrucially, the researchers found that play amongst adults increases in line with time spent foraging on fruit.
Co-author Dr. Jacob Dunn, Associate Professor in Evolutionary Biology at Anglia Ruskin University , said:"Despite its appearance and our own perception of what play means, play is not always associated with frivolity or education. Instead, we think it fulfills an important function in howler monkey society by reducing tension when there is competition over scarce resources.
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