Video of macaques washing and brushing. (VIDEO)
Caption
Dominant macaques briefly brushed cucumber slices from the experimental setup on their fur before eating them, along with a mouthful of tooth-degrading sand. Lower-ranked macaques carried their slices to the ocean and washed them obsessively before eating. The macaques picked up their habit of washing food after the 2004 tsunami. Afterward, tourists would throw fruit from boats to watch the animals food-wash, but the government put a stop to the practice.
Credit
Jessica Rosien
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