Of course, they are pretty. We humans have our eyes set in the front just like other predators. Nature is only cruel to those who do not understand it. Somehow, to some, killing animals is horrible, but slaughtering plants is acceptable. What is a tragedy is wasting food. A few years ago, a chicken was killed by a rat, where I had lived for so many years. I took the carcass and tossed into the pond. The next day there was nothing left of it. We orchastrate life and death and the cycle within our domain: and we survive another day.