Beau likes to sit under the clothesline, viewing his vast domain. Sugar thoughtfully decorated the clothesline in a manner suitable for Beau’s station in life. His Royal Highness selected green satin sheets on which to lounge. He arranged his headpiece himself.
Maybe he thinks the birds can’t see him. Notice that he is parked beneath bird feeders. After all, he is a bird dog.
Camouflage is okay for the general public, but classy hunters prefer silky satin sheets — in green, of course.