title: A new form of tool use by orang-utans in Sabah, East Malaysia.
authors: Department of Physiology, University of New England, Armidale, NSW, Australia.
authors: L J
authors: LJ
authors: Rogers
authors: G
authors: G
authors: Kaplan
mesh_terms: D000818:Animals; D005247:Feeding Behavior / Q000502:physiology*; D005260:Female; D008296:Malaysia; D018515:Plant Leaves; D011148:Pongo pygmaeus / Q000502:physiology*