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bjbjLULU Both pet and wild hyacinth macaws are reported using tools as a means to procure
food. Here a proficient adult hyacinth uses a fibrous plant to stabilize a nut between
the upper and lower mandible. The palm nuts are hard with a smooth surface. The plant
material serves as a tool to stabilize the nut within the beak such that enough force
can be applied to finally crack the nut. This next inexperienced juvenile tries the same
concept, only with a stick. Through trial and error, young hyacinths become skilled
with this basic form of tool use. Both pet and wild hyacinth macaws are reported using
Word Both pet and wild hyacinth macaws are reported using tools as a means to procure
food Title Microsoft Office Word Document MSWordDoc Word.Document.8