Here's a Grackle zombie calling for "Brainnnns!!!" taken at last light (when the zombies come out...). I also got a few frames in the sequence with the textbook head angle and without the nictitating membrane covering the eye, but I think this frame is infinitely more interesting...
Canon 1DIV -- Canon 800mm f/5.6L IS -- 1/250s @ f/6.3 -- ISO-1250 (yay, noise reduction software!) -- 0 EV -- handheld on a beanbag