Tonkean macaques are good at playing dumb in order to cheat their superiors out of a sought-after treat. http://booksandjournals.brillonline.com/content/journals/10.1163/1568539x-00003443 …pic.twitter.com/nGi4ULAPq5
11:46 PM - 4 Oct 2017
from Bonn, Germany
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