Last week I saw two crows working together to do something. I stopped to watch them, thinking they were perhaps teaming up to hunt. But then one of them got on top of a water faucet and twisted it open with its feet. It took a great deal of energy, but the crow succeeded in getting water to come out. Then the two of them drank from the trickle.
But what’s most amazing is this: When they were finished, one of the crows got on top of the faucet and shut it, reversing its effort from before. Why? Was it to conserve water? To make sure competitors didn’t use the water? Or, perhaps to cover up their deed, so no one would spoil their source?
Can anyone shed light on this mystery?