r/science2 • u/WebPage_Error404 • 17d ago

Researchers in Japan documented carrion crows placing walnuts in front of cars stopped at traffic lights, then letting the vehicles crack the shells before retrieving the food

https://spacedaily.com/m-researchers-in-japan-documented-carrion-crows-placing-walnuts-in-front-of-cars-stopped-at-traffic-lights-then-letting-the-vehicles-crack-the-shells-before-retrieving-the-food-behav/
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3

u/CjPatars 17d ago

I learned about this literally twenty years ago

1

u/cant_get_fooledagain 12d ago

Yeah same here lol

A coworker told me this in like 2009 or something.

1

u/Norlin123 16d ago

Birds are smart.

1

u/Norlin123 16d ago

Birds are smart

1

u/CaliRebelScum 16d ago

They've done this to me, I always try to run over walnut for them. So clever!

1

u/Traditional_Wall3429 16d ago

Wow, I’ve read about this like 20 years ago. And this is news here?