Cockatoos have been filmed making the same tool from three different kinds of material, proving for the first time that they have a design in mind and are anticipating how it can be used.
Wild cockatoos make utensils out of tree branches to open fruit
PDF) Goffin's cockatoos make the same tool type from different
Sarah Knapton
Cockatoo filmed making tools from twigs, wood and cardboard to
Goffin's cockatoos make the same tool type from different
Watch how Figaro the cockatoo uses a tool kit to nab a nut
Sarah Knapton
Wild cockatoos make their own cutlery sets, Science
Cockatoos know to bring along multiple tools when they fish for
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Wild cockatoos can make utensils out of branches to open fruit