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Range DescriptionThis species occurs on the northern side of the 4,500 km2 Zapata swamp, south-west Cuba. Four were collected near Santo Toms in 1927, and the species was found easily in 1931. There were no subsequent records until the 1970s, when its voice was thought to have been recorded and birds were found in the south-east of Laguna del Tesoro. There are also reliable records from Peralta, within the Zapata swamp (A. Kirkconnell in litt. 2007). It may occur elsewhere within the swamp (A. Mitchell in litt. 1998), and was formerly even more widespread, with fossil bones found in cave deposits in Havana, Pinar del Ro and on the Isla de la Juventud (Olson 1974, Garrido 1985, E. Abreu in litt. 1999), and Sancti Spiritus (W. Surez per A. Kirkconnell in litt. 2012). It is now thought to have an extremely small population given the paucity of recent records and threats to the species, with anecdotal evidence suggesting a significant decline since the year 2000 (A. Kirkconnell in litt. 2009, A. Mitchell in litt. 2009).