Omnivore preferably dry bones, for particular minerals and nutrients. Felines, which are usually regarded as obligate carnivores, occasionally eat grass to regurgitate indigestibles (e.g. hair, bones), aid with hemoglobin production, and as a laxative. Occasionally, it is found that animals historically classified as carnivorous may deliberately eat plant material. For example, in 2013, it was considered that American alligators ("Alligator mississippiensis") may be physiologically omnivorous once investigations had been conducted on why they occasionally eat fruits. It was suggested that alligators probably ate fruits both accidentally but also deliberately. "Life-history omnivores" is a specialized classification given to organisms that change their
Why We Love Dogs, Eat Pigs, and Wear Cows limits to the media. Joy maintains that the choice to eat meat is not natural or a given as proponents of meat claim, but influenced by social conditioning. The majority of people, Joy claims, care deeply about animals and do not want them to suffer. Joy argues there is a neurological basis for empathy; most people care about nonhuman animals and want to prevent their suffering. Further, humans value compassion, reciprocity, and justice. However, human behavior does not match these values. To continue to eat animals, Joy argues, people engage in psychic numbing, which alters the perception of our behavior