Zielgerichtetes Handeln bei Menschenaffen
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.
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1/1/1981
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.
1/1/1981
