Common Grackle by Mike Oxley

Quiscalus quiscula

The Riverdale “Wilds”, Cornwall, Ontario, Canada
July 22, 2010


Common Grackles are blackbirds that look like they’ve been slightly stretched. They’re taller and longer tailed than a typical blackbird, with a longer, more tapered bill and glossy-iridescent bodies. Grackles walk around lawns and fields on their long legs or gather in noisy groups high in trees, typically evergreens. They eat many crops (notably corn) and nearly anything else as well, including garbage. In flight their long tails trail behind them, sometimes folded down the middle into a shallow V shape.

Cool Facts

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.

Common Grackles are resourceful foragers. They sometimes follow plows to catch invertebrates and mice, wade into water to catch small fish, pick leeches off the legs of turtles, steal worms from American Robins, raid nests, and kill and eat adult birds.

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.

You might see a Common Grackle hunched over on the ground, wings spread, letting ants crawl over its body and feathers. This is called anting, and grackles are frequent practitioners among the many bird species that do it. The ants secrete formic acid, the chemical in their stings, and this may rid the bird of parasites. In addition to ants, grackles have been seen using walnut juice, lemons and limes, marigold blossoms, chokecherries, and mothballs in a similar fashion.
In winter, Common Grackles forage and roost in large communal flocks with several different species of blackbird. Sometimes these flocks can number in the millions of individuals.

Rarely, Common Grackles nest in places other than their usual treetops, including birdhouses, old woodpecker holes, barns, and in still-occupied nests of Osprey and Great Blue Heron.

The oldest recorded Common Grackle was 22 years 11 months old.

Sony Alpha 700, Sigma 28 to 300 at 300mm
iso 400, spot metered, F6.7, 1/15 second

In love with Ma Nature! Always have been, always will be. Let’s keep her safe, eh?

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  • Brenda Dow
    Brenda Dowover 4 years ago

    For a Common Grackle you have made him appear quite elegant… proud really!!! Perfect POV and DOF…..his eye is so very clear…. great capture…. well done!!!!

  • Thanks so very much, Brenda. They are rather elegant looking in this pose, aren’t they? I wonder, though, if there’s an “uncommon” grackle. :o)

    – Mike Oxley

  • Brenda Dow
    Brenda Dowover 4 years ago

    And the info is fascinating…… thanks Mikey!!!!

  • Much appreciated, Brenda. Learnt quite a bit myself when I came across this article. Although I’ve yet to see them “anting”!

    – Mike Oxley

  • Lee-Anne Carver
    Lee-Anne Carverover 4 years ago

    Well this is dainty! You caught the grackle glare wonderfully.

  • Greatly appreciated, Lee-Anne. They do have a kind of malevolent look about them, don’t they?

    – Mike Oxley

  • gdanen
    gdanenover 4 years ago

    Maybe common, but still nice to see! :)

  • Thanks so very much, Gerry! Appreciate your very kind words!

    – Mike Oxley

  • Ray Clarke
    Ray Clarkeover 4 years ago

  • Thanks, Ray!

    – Mike Oxley

  • Malcolm Chant
    Malcolm Chantover 4 years ago
    Gosh Mike this is a brilliant shot, & having never heard of this specis the narrative is so interesting
  • Many, many thanks, Malcolm. Your kind words are always so greatly appreciated, my friend!

    – Mike Oxley

  • Al Bourassa
    Al Bourassaover 4 years ago

    He looks pissed that you called him “common”!!

  • Yeah, I know. Is there an “uncommon” grackle? Prince of Grackles? A mystery…..

    – Mike Oxley

  • artwhiz47
    artwhiz47over 4 years ago

    That hypnotic grackleness. You got him. Beware lest he get you.

  • Thanks for the advice and kind words, Sheila. Don’t raise the hackles on the grackles. Words to live by.

    – Mike Oxley

  • Quinn Blackburn
    Quinn Blackburnabout 4 years ago

    lovely capture :o)

  • Many, many thanks for your kind words, Quinn, and I appreciate the lovely compliment of the “fave”, too!

    – Mike Oxley

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