Our site visitor whose decapitated photo was posted on the 15th was this:
An adult male Yellow-headed Blackbird (Xanthocephalus xanthocephalus)!
Look at that face! I'm not sure how people dislike "blackbirds" - they're extremely charismatic, just a bit drab, most of the time. Alas, most of my photos are from a funny angle because he was too close to get a better angle and I didn't want to spook him.
And now a video: