They're back.

Common grackle, Rondeau Provincial Park, Ontario, Canada, Mar 6, 2022.


All the blackbirds are back, largest number is red-winged followed by cowbirds and then grackles.
Combined they can clean out the feeders in the blink of an eye.
Quiscalus quiscula
Those raggedy figures out in cornfields may be called scare-crows, but grackles are the #1 threat to corn. They eat ripening corn as well as corn sprouts, and their habit of foraging in big flocks means they have a multimillion dollar impact. Some people have tried to reduce their effects by spraying a foul-tasting chemical on corn sprouts or by culling grackles at their roosts.
Source - Cornell Lab of Ornithology.

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