Wild crows in New Caledonia make hooks out of forked twigs and use them to pull invertebrates from holes in wood. They also cut strips from pandanus leaves, a different material that gives them a tool with a barbed edge.
Wild crows in New Caledonia make hooks out of forked twigs and use them to pull invertebrates from holes in wood. They also cut strips from pandanus leaves, a different material that gives them a tool with a barbed edge.