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It is fairly large in size, with a long tail and a bulky bill. It has a black head and upper breast. The feathers on the front of the neck and upper breast stick outward, making an uneven boundary between the black and the orange of the bird's lower breast and underside. The rest of the orange color is found on the upper and lower back, separated by the black shoulders. The wings are mostly black except for a white streak that runs the length of the wing when in a closed position. The eyes are yellow, and surrounding each one, there is a patch of bright, blue, naked skin.
The adults breed between the months of March and September, and seek out nests of other birds as part of their reproductive cycle. Troupials are obligate nest pirates, meaning they make no nest of their own, and are thus required to steal or occupy a vacant nest in order to survive. Troupials are capable of violent attacks against native nesters, and once they possess these territories they defend them fiercely against intruders. They may even ingest the eggs or young hatchlings of a newly acquired nest. Eventually they go on to produce about 3 to 4 eggs of their own, and after about two weeks of incubation, they have nestlings.
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