Input Vs. Output

Here's an illustration assignment. We had to do a drawing about the topic: Input Vs. Output, and that is all we had to go by.

The other day I saw a really proud, happy looking bird, hopping along the front lawn that was littered with cigarette butts. This drawing communicates how mankind has trespassed animals lives over thousands of years, but they always stay the same. Well, until they go extinct =[