Biology
How Do Animals Use Tools in Their Daily Lives?
Quick fact
The New Caledonian crow is so adept at crafting hooked tools from leaves and twigs that it can create a tool to retrieve food from a platform, outsmarting many primates in cognitive tests.
Why this is interesting
You might think tool use is a uniquely human skill—but what if the crow outside your window is using a twig to pry a beetle from a crevice, or the sea otter floating on its back is cracking open a clam with a rock balanced on its belly?