Some articles on tool, extraction tools:
... Tool use in orangutans was observed by primatologist Birutė Galdikas in ex-captive populations ... In addition, evidence of sophisticated tool manufacture and use in the wild was reported from a population of orangutans in Suaq Balimbing (Pongo abelii ... These orangutans developed a tool kit for use in foraging that consisted of both insect-extraction tools for use in the hollows of trees and seed-extracti ...
Famous quotes containing the words tools and/or extraction:
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