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A large (40cm) totally black bird (M) with a long, sharp bill and an impressively long tail that is held vertically in flight, like a boat rudder. The yellow eye is diagnostic. The plumage of the male shows many colors in sunlight due to iridescence; blues and greens predominate.
The female is brown with lighter underparts, and with a shorter tail.
 Similar Species
On Gulf Coast, can be distinguished from Boat-tailed Grackle by eye color.
They can be found in a wide variety of habitats; marshes, wetlands, hill bushy areas, golf courses, gardens, and shopping malls.
In hot areas they will drink from any water available including swimming pools, and they may even take a voluntary swim!
They are social, particularly at dusk when they gather in sizeable flocks to roost in trees.
Great-tailed grackles frequent urban landscapes, often feeding in highly-developed areas such as parking lots. They will eat almost anything.
They can be noisy, especially during breeding displays, when the male issues loud calls at what looks to be great physical effort.
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