The official term for eating non-food items is pica and it can be a dangerous habit
Canine Murphy’s Law
The dog with the most sensitive digestion will also be the dog with the least discriminating palate
Destructive Chewing
All puppies chew, but sometimes chewing can go too far.
Noshing the Greenery
Why do dogs eat grass?
Grazing Kitties
How to convince your cat not to eat your houseplants.