A crow had to solve a 9-puzzle escape room to get some chicken nuggets. Watch her ace it.

A crow had to solve a 9-puzzle escape room to get some chicken nuggets. Watch her ace it.

When you think of some of the smartest animals on Earth, you may think of dolphins, chimps, elephants, or even the surprisingly intelligent octopus. But do you think of crows? We've learned a lot about crow intelligence since scientists ramped up research on corvids in the 1990s and 2000s, and we're still discovering things crows can do that people didn't think were possible. Some reports estimate that crows have the approximate reasoning and me…