Common Grackle (Quiscalus quiscula) September 12, 2019 1500 × 1200 Common Grackle (Quiscalus quiscula) Common Grackle (Quiscalus quiscula) male, July 2019, Napeague. Year-round. July, 2019. Napeague, New York. Marshes and open woodlands. Year-round. Common bird in steep decline. Will come to backyard feeders.