[pyrale]

From the article:

> Brecht says his lab members didn’t initially believe Anchali was smart enough to deliberately sabotage Mary. But several things convinced them that the pachyderm knew exactly what she was doing. Kinking the hose is a complex behavior that requires a lot of twisting and pressure. Over the weeks in which the researchers were studying Mary’s showers, Anchali began to kink the hose more frequently and got better at it, suggesting she was practicing and learning. She also started to stand on the hose—something the caretakers had specifically trained the elephants not to do.