Common grackles roost in large communal flocks, numbering in the thousands and sometimes in the millions of birds. They're taller and longer tailed than a typical blackbird, with a longer, more tapered bill and glossy-iridescent bodies. Should I Be Worried about Grackle Birds? The video was taken by a store patron in a parking lot in the Meyerland neighborhood of Houston, Texas. … Adults often have an iridescent appearance on their head, especially males. Grackles walk around lawns and fields on their long legs or gather in noisy groups high in trees, typically evergreens. Yes, you should. HOUSTON, Texas (KTRK) -- If you live in Texas, you know about grackles. Oh my, what a clattering clammer of clacks, cackles, shrieks and whistles an assemblage of several thousand individuals must make. The common grackle (Quiscalus quiscula) is a large icterid found in large numbers through much of North America. But the good news is that solutions are available and we will show you how to get started in grackle control. They're taller and longer tailed than a typical blackbird, with a longer, more tapered bill and glossy-iridescent bodies. Common Grackles are blackbirds that look like they've been slightly stretched. Grackles live year-round in the southeastern U.S., especially in Texas and Florida, migrating to surrounding northern areas to breed in the summer months. Highly independent, intelligent and stubborn, grackles are about 12 inches long and weigh about 4 ounces. Here, you’d find easy-to-follow methods to control the pest bird problem. Common Grackles are blackbirds that look like they've been slightly stretched. The video depicts the flock of black birds, descending from the sky, sitting on cars and shopping carts, swirling in flurries of twittering fury, and making a tremendous amount of noise. Many of you have seen it: the viral video showing an invasion of grackles. In south Texas, along the Rio Grande valley, tens of thousands may assemble in winter roost trees. Adult common grackles have a long and dark bill, pale yellow eyes, and a long tail. Grackles walk around lawns and fields on their long legs or gather in noisy groups high in trees, typically evergreens. First described in 1758 by Carl Linnaeus, the common grackle has three subspecies. They cover yards and power lines, make downright awful noises, and have been known to make a mess on vehicles. Great-tailed grackles are highly social birds. About Grackles. People residing in the Texas and Florida area of the United States are worst hit by this problem.