Commentary
Grooming and social cohesion in primates: a comment on Grueter et al.

https://doi.org/10.1016/j.evolhumbehav.2013.08.003Get rights and content

Abstract

Grueter et al. have recently claimed that grooming time in primates is best explained by terrestriality, which they take to be a proxy for hygiene demand. We suggest that their results arise from a confound between terrestriality and other aspects of sociality, combined with a number of conceptual and sampling problems.

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