Pet expert Axel Lagercrantz told Newsweek that dogs like Nova possess a herding instinct that makes them naturally want to look after other animals.

and it can be heartbreaking to think they might never get back to their old self completely. For one Great Pyrenees, life after having knee surgery was tough, but he really had an amazing support ...

Well, there is certainly a pair just like ... and they have no desire to. The closest you'll get to a Great Pyrenees "causing" injury to one of your animals would be it breaking up a fight.

In this video a large, gray and white Great Pyrenees dog is standing on a small ... same thing on snow days while I’m trying to do—well, this. As they say, it’s not that they don’t understand.