Enlarge / A New Caledonian crow uses a serrated leaf edge to pull grubs out of a hole in a log. (credit: Mark Sibley) Crows share an interesting set of behaviors with humans: they like to play, and they often use tools. We know that humans play to learn. When toddlers knock over a pile of blocks, they're developing the ability to build and measure objects in the real world.
Scientists Investigate Why Crows Are So Playful
Annalee Newitz, Ars Technica
Thu, 10/19/2017 - 4:14pm
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