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Greater Antillean Nightjar occurs on the two largest islands of the Greater Antilles, on Cuba and on Hispaniola. Subtle differences between the populations of these two islands have led some authorities to recognize these as separate species, Cuban Nightjar (Antrostomus cubanensis) and Hispaniolan Nightjar (Antrostomus ekmani). The two taxa differ subtly in plumage (especially in the amount of pale coloration in the outer tail feathers) and, more noticeably, in vocalizations: the territorial song of the Cuban birds is tu-wurrrr, while the song of Hispaniolan populations is pi-tan-guaaa. Throughout its range, Greater Antillean Nightjar inhabits a variety of wooded habitats and adjacent semi-open areas, and the nest is nothing more than a shallow scrape on the ground, in which the female lays the clutch of two eggs.