So, SimCity 2000 is for free on Origin right now. So, I got it.
I began to demolish a couple of trees, and then a window popped up saying that people were protesting, and it asked me if I wanted to hear the call of the "Bull Moose", which it said I was endangering their species.
I clicked yes, and...
MOOOOOOOOOOOOO!https://www.youtube.com/watch?v=Zt9mFU4HSBgAs it turns out, it is an easter egg in the game (DOS Version only).