A few days ago whenever I went outside, anywhere outside, an angry bird would follow me and swoop, chatter, yowl, and hop from fence point to fence point. He'd ruffle his feathers, fly from tree to tree, and generally wake the dead.
This is one of his quieter moments
He was hoppin' mad here
As you can see. He is yelling up a storm
Look at his claws! Neither are even touching the fence!
Up and down that fence he went, yelling the whole time.