Bird Watch: Ravens are super smart

Birds are smart -- and ravens are very smart. Until recently, planning for the future has generally been considered to be unique to humans. Studies in the past 10 years have suggested that apes and scrub jays are also able to make such plans.

Studies have suggested that corvids rival chimps in cognitive self-control. Ravens can imagine being spied on, and crows display puzzle-solving skills comparable to those of apes and human children.... Scientists from Sweden’s Lund University found that ravens appear to have the ability to plan for the future...

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