Definition of common grackle
:a North American grackle (Quiscalus quiscula) having glossy black plumage that especially in the adult male reflects a purple, green, or bronze iridescence
- … you know that those annoying, long-tailed blackbirds in your backyard are common grackles …
- —Michael Stirek, The Bismarck (North Dakota) Tribune, 11 June 2009
- In North America, the … red-winged blackbird … and common grackle can form flocks approaching a million birds.
- —Kevin Cook, Bird Watcher’s Digest, January/February 1995
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