They always wish to please. If you watch documentaries on wolves and canis lupus and most animals, they learn from play and keep their mouths open to grab at each other. They may do this with you. You can gently let them know that this hurts you and you do not like it. Or be firm if they do not listen.
Bears dig in trees for honey and scrounge the earth for food.
The original food source of all animals is in the earth. Not in our refrigerators. Humans store their treasures in houses and closets. Animals use what nature gave them. So are they doing anything bad.