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Wikipedia:
Grackle is the common name of any of eleven passerine birds native to North and South America. They belong to various genera in the icterid family. In all the species with this name, adult males have black or mostly black plumage.
Genus QuiscalusBoat-tailed Grackle, Quiscalus majorCommon Grackle, Quiscalus quisculaGreat-tailed Grackle, Quiscalus mexicanusSlender-billed Grackle, Quiscalus palustris – extinct (1910)Nicaraguan Grackle, Quiscalus nicaraguensisGreater Antillean Grackle, Quiscalus nigerCarib Grackle, Quiscalus lugubrisGenus HypopyrrhusRed-bellied Grackle, Hypopyrrhus pyrohypogasterGenus LampropsarVelvet-fronted Grackle, Lampropsar tanagrinusGenus MacroagelaiusGolden-tufted Grackle, Macroagelaius imthurniMountain Grackle, Macroagelaius subalarisSome members of the starling family have historically been called grackles. Tristram's Starling is sometimes known as "Tristram's Grackle", and the hill mynas in the genus Gracula have also been called grackles.