Don't forget, wordy, parasitic wasps love their work! ;-)

Then too, we have lampreys, mosquitos, and all other sorts of nasty things like that...but nastiness is in the eye of the beholder.

Just think how nasty WE humans must seem to a wretched, suffering lineup of pigs or cows who are on "death row" in the local slaughterhouse, mere minutes away from dying a horrible and lonely death so that you and I can fill our stomachs.

It's all relative.

Taoism teaches that nothing is good or bad in itself, but that all such supposed values are transitory judgements taken from a particular perspective. There are several interesting Taoist parables to illustrate the point.

You know yourself, it's great fun to win a well-played chess game...but not nearly so much fun to lose it. Yet, what does it really matter in the end? It's a transitory judgement. It's totally subjective.