When Maxwell took Mijbil to the bathroom, the otter was excited and fascinated by the water. It went wild with joy, plunging and rolling in the bathtub, playing with the water taps, and splashing around energetically.

Two days later, Mijbil had learned how to turn on the tap by himself. He would twist the tap to get a trickle of water and amuse himself by playing under it for long periods.