The young orangutan Cecep selects a leaf. When a person was slow to clean Cecep’s face with a leaf, he dabbed at his own dirty forehead and then handed the leaf to the recalcitrant person, who finally finished the cleaning. Purwo Kuncoro
Orangutans have repeatedly demonstrated the capacity to communicate by pantomiming, researchers say, usually when some dim-witted human just hasn’t gotten the message.
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