Today on BirdingPI.com, male Great-tailed Grackles at Danny Lopez Park (formerly Columbus Park, outside Tucson, Arizona) exhibiting fascinating posturing behavior over a pizza crust. Also, a few shots of GIF (grackle in flight).
One thing for sure, the immature Great-tailed Grackle (on right) was out of luck for getting the crust:
Things led to an eventual scuffle, followed by one absconding with the prize:
