An example of a symbiotic relationship grizzly?

You couldn't exactly call it commensalism but sometimes the Arctic fox will travel behind a polar bear and feed on the scraps of what it ate because if you didn't know a polar bear's main diet is ringed seals and arctic foxes eat those, too. Sometimes though, the fox annoys the polar bear. They may tease it by darting in to nip at its herels or blatanly attemp to drive bear from food. Polar bears will retaliate by lunging or slapping buttocks