I watched this polar bear at the Toronto Zoo this summer. He had a disturbing swimming routine. He swam back and forth and pushed off on the same rock over and over and over. It was heartbreaking. I looked it up and realized there is a word for this animal behaviour: zoochosis.I assume this is the same bear: https://youtu.be/LZ6Nxrbdxl8How do you feel about animals in captivity?