A Hallowe'en wallpaper for you.
(Truth be told, they look more like pigeons, but "The Pigeons of Death" isn't quite a effective.)
Bonus - I couldn't find a suitable Sun Ra performanc, but this might entertain any Ninjas out there.
Looking thru'my slides for a subject for today, and this one almost slipped through to be a Weekend Wallpaper. But something intrigue...