wtdradio.com -Birds Grackle ... The “bronzed grackle” race of the Common Grackle, breeding roughly west of the Appalachians and in New England, has the characteristic bronzy back. Birds of the Southeast, from North Carolina to Louisiana, often called the “Florida grackle,” are darker green on the back rather than bronzy, and they're purple on the belly.
Birds Grackle irds: common grackle. The Common Grackle can be a handsome bird when seen from a short distance. Covering its head, neck and upper breast is a purple iridescence that can amaze viewers in the right light.
American bird conservancy. The Grackle's Special Senses. Common Grackles, along with many other bird species ranging from the Chimney Swift to Northern Bobwhite, have a magnetic mineral called magnetite in their heads, beaks, and necks. This mineral allows birds to use the earth's geomagnetic fields to navigate.
Get rid of grackles and other birds once and for all with .... Bird Netting is an immediate and obvious solution, especially for small backyard crops, because it produces a barrier that grackles cannot permeate. however may not be feasible for very large crops. 2.