Common grackle.
Lots of birds coming into the water in the yard during this heat including, grackles, redwings, cedar waxwings, robins, woodpeckers and many others.
This grackle had its mouth open wide.
Rondeau Provincial Park, Ontario, Canada, July 5, 2025.
Quiscalus quiscula
Grackles have a hard keel on the inside of the upper mandible that they use for sawing open acorns. Typically they score the outside of the narrow end, then bite the acorn open.

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