The black (and decker) crows: They use tools - Sacramento Bee

Washington Post
The black (and decker) crows: They use tools
Sacramento Bee
Two species on Earth are known to use hook-shaped tools: humans and New Caledonian crows. And now, for the first time, the people have caught the birds using them on camera. Their camera crew? The crows themselves. There are crows all over the ...
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