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Koehler and Tool Use in Orang-Utans
Abstract
We
will comment on some specific behaviors observed by Koehler, on the basis of our studies of semi-wild orang-utans conducted in 1991 and 1992 at Sepilok/Sandakan and Semengoh/Kuching Orang-utan Rehabilitation Centers in East Malaysia. Most of our comments refer to tool use,although these may be connected with other observations