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Keywords from Image Description:
Orangutandrawing. Source Illustrierter Leitfaden der Naturgeschichte des Thierreiches Description Original caption Fig Der Oranguthan Pithecus satyrus Geoffr Translation partly Orangutan Pongo pygmaeus Size in cm Originator Zimmermann Pongo pygmaeus Illustrierter Leitfaden der Naturgeschichte des Thierreiches PDold