Boat-tailed Grackle, Quiscalus majorBoat-tailed Grackle, Quiscalus majorBoat-tailed Grackle, Quiscalus majorBoat-tailed Grackle, Quiscalus major. Great Crow BlackbirdBoat-tailed Grackle, Quiscalus major. Great Crow BlackbirdCommon Grackle, Quiscalus quisculaGreat-tailed Grackle, Quiscalus mexicanusGreat-tailed Grackle, Quiscalus mexicanusGreat-tailed Grackle, Quiscalus mexicanusGreat-tailed Grackle, Quiscalus mexicanusGreat-tailed Grackle, Quiscalus mexicanusGreat-tailed Grackle, Quiscalus mexicanus