english: It's been well-described and well-observed in primates, but you also see it in rats, and wherever you find it -- humans, primates, rats -- you find it associated with things like tickling.
non_english: ali nailazite na njega i kod pacova, a gde god da se sretnete sa njim - kod ljudi, primata, pacova - otkrićete da se vezuje za stvari kao što je golicanje.