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Zielgerichtetes Handeln bei Menschenaffen
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Chimpanzees are kept in a large enclosure at the Arnhem Research Station. There, some experiments are carried out to test the intelligence of the chimpanzees.
19810h 14mHD
Chimpanzees are kept in a large enclosure at the Arnhem Research Station. There, some experiments are carried out to test the intelligence of the chimpanzees.
