Are people and apes the only ones that can plan ahead? Quoth the raven ‘nevermore.’

Exposing the Big Game

https://www.washingtonpost.com/news/speaking-of-science/wp/2017/07/13/are-people-and-apes-the-only-ones-that-can-plan-ahead-quoth-the-raven-nevermore/?utm_term=.9a114ac8681c

 July 13 at 2:00 PM
 Play Video 0:12
Watch ravens show off their reasoning abilities
Swedish scientist Mathias Osvath trained five ravens to use a stone as a tool to open a puzzle-like box to prove they have some of the same reasoning abilities as humans and apes. The raven’s reward: a juicy, meaty dog kibble inside the box. (Mathias Osvath)

For centuries, we told ourselves that we are special — that what separates humans from animals is our ability to reason.

But that belief has been increasingly undermined given evidence showing apes also have the intelligence to use tools, solve complex problems and even plan for the future.

Now the latest indignity: Ravens can do it, too.

On a rural research farm in Sweden, working with birds he raised from hatchlings, cognitive zoologist Mathias Osvath recently taught five ravens how to use…

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