Can Kabadayi and Mathias Osvath in Science 14 Jul 2017: Ravens parallel great apes in flexible planning for tool-use and bartering.

The research in short
Ravens can plan for the future, an ability that has generally been considered unique to humans. Studies in the past 10 years have suggested that apes are also able to make such plans. These studies, however, have been questioned in that planning in foraging and natural tasks is not the same as more general planning. In these new studies, ravens have been tested with tasks designed to specifically assess their general planning abilities. The results confirm their forward-planning abilities and the ravens performed at least as well as apes and small children in this complex cognitive task.

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Länkar till andra medier där studien har uppmärksammats:
The Atlantic: Ravens Can Plan for the Future
Science: Ravens – like humans and apes – can plan for the future
Dagens Nyheter: Korpar planerar lika bra som människoapor
New Scientist: Ravens can plan for future as well as 4-year-old children can
Scientific American: Nevermore, or Tomorrow? Ravens Can Plan Ahead
The Washington Post: Are people and apes the only ones that can plan ahead? Quoth the raven ‘nevermore.’
Science News: Ravens pass tests of planning ahead in unnatural tasks
PBS NewsHour: Cunning ravens can plan ahead, study shows
Newsweek: Ravens can make plans for the future, in some ways surpassing apes
BuzzFeed: Are you as amart as a raven?
Audubon: Like humans and apes, ravens have the foresight to save up for the future
Time: Here’s one way a bird is as smart as you are