article_snippet: At the heart of this question is: What is it about another creature that qualifies it for ethical consideration?
article_snippet: Is it utility to humans?
article_snippet: A key issue that arises from this is that we humans see we as more than just animals; we have reason and a sense of right and wrong, a sense of justice.
article_snippet: As the discussion evolves, various indicators of other species' moral standing are investigated, including rationality, ability to experience pain and suffering, utility to humans, and perhaps that these other creatures have intrinsic value regardless of these other creatures use to people.