Other species may allow species other than themselves to die out, but they fail to do this because they act purely based on instinct and their instincts do not dictate to them to save other species. Humans, however, are capable of acting for a far greater number of reasons and after more consideration. For example humans are capable of empathy with other species and understanding that their pain and suffering mirrors our own, and thus that we should prevent it on moral grounds. What makes humans special is that they are more thoughtful than any other animal, and thus the moral standards for our behaviour are much higher.