Getting food is nice. But scoring that food through clever tool use is even better, according to a study on a famously smart species of crow. Via InsideScience.
-- Getting food is nice. But scoring that food through clever tool use is even better, according to a study on a famously smart species of crow. The findings suggest that humans aren't the only animals to enjoy puzzles, games and challenges for their own sake.
The outcome of that is that they would fly very quickly and approach the box every time it was on the left. And would go very slowly or even not at all to the box on the right. The block of wood had two sheets of plexiglass attached to it, and the meat was between the two sheets of plexiglass. So the birds could see that there was meat in there, and they could see that they had to use a tool to get it out.
The average time it took crows to approach the middle box after tool use was 12 seconds. Whereas after getting a reward without needing use a tool, it was 23 seconds.Oh, for sure, yeah! These crows are incredibly charismatic and really goofy and really smart. So when you spend a summer doing experiments with them, you spend a lot of time watching them just do what they feel like.
Crows are really good at finding tools even when you think you've swept the entire aviary to not give them access to a second tool. So often you'll give them an experiment and think, like,"Okay, I've set this up really well," and then they'll sort of start looking around at the ground, and you're like,"Oh, no." And then they fly down and find a little twig somewhere, quickly shape it into a tool, and use it to cheat at your experiment.
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