A movie of a bird teasing a cat

Birds are attacking cats that are natural enemies, taking advantage of the ability to fly in the sky, or aiming for motivated places. It seems that there is overwhelming advantage if birds find themselves first, even natural enemies.

Details are as below.
Is it comfortable, I've been on my head forever.
YouTube - a cat and a birdie


Birds who climb high places and tease feline cats that can not get down.
YouTube - Cat Attacked By Bird!


Harassment cats relaxing on the veranda.
YouTube - Bird attacks Cat


Attack a lying cat.
YouTube - A Bird's revenge


I even tease the same birds.
YouTube - Barred Owl-bird attack