Tool-Making Crows
In brief
A one-minute clip of the New Caledonian crow Betty bending a straight wire into a hook to retrieve food from a tube. It comes from a 2002 Science study on tool-making in crows.
A one-minute clip of the New Caledonian crow Betty bending a straight wire into a hook to retrieve food from a tube. It comes from a 2002 Science study on tool-making in crows.