Carnivore or herbivore? Which animal make better pets?

If this thread excludes cats and dogs then I would settle for a bird which is mostly herbivore. We once had a pigeon who was very affectionate. Sometimes it joins the dogs in the dining room when we are eating meals. Our pets have that habit of waiting for crumbs and scraps. We feed the pigeon grains but it also feeds on some fruits. Sometimes we give it crumbs of bread that it likes so much it would fly to be on the table.