The Mourning Doves are generally peaceful birds. The Woodpecker never is. He always tries to scare the other birds off when he is feeding. In the end, nobody won, as all of their flapping (Doves) and squawking (Woodpecker) scared everyone off the feeder.

Bird Argument
Here’s the Woodpecker squawking just a little louder.

Upset Woodpecker
by texdr