Ons hondje deponeerde als pup al zn waterbak midden in de kamer als hij dorst had. Das toch ook communiceren dmv aangewezen objecten?
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Sadly the early history of primatology is filled with wishful interpretations never convincingly replicated. (Recently, search Marc Hauser.)
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Every so often a 'genius' individual primate ~seems~ to get it, but never clear if it is thinking how we think, or it is a unique genius.
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