Why do some dogs eat unusual, and sometimes disgusting things? A Why do some dogs eat unusual, and sometimes disgusting things? Dogs in general are much closer in touch with their nutritional needs than we are. If a dog finds itself short of some nutritional element, it will actively seek and find it in its available environment. Never be surprised at what a dog will eat. Permalink Post navigationPrevious post: Is a dog a Carnivore?Next post: Lots of dogs eat grass. Why?