In the eyes of a human, he understands why he must shoot a bird.

In the eyes of a bird, it only knows to catch a caterpillar for its survival.

In the eyes of a caterpillar, the plants around its purpose is to help and nourish it.

In the eyes of a plant, it sees nothing. For plants don't have eyes. They merely exist.

Kind of more like poetry than a short story, but oh well. :P

Written in 64 words.