The Zapata rail (Cyanolimnas cerverai) is a medium-sized, dark-coloured rail. It has brown upperparts, greyish-blue underparts, a red-based yellow bill, white undertail coverts, and red eyes and legs. Its short wings render it almost flightless. It is endemic to the wetlands of the Zapata Peninsula in southern Cuba, where its only known nest was found in sawgrass tussocks. Little is known of its diet or reproductive behaviour, and its described calls may belong to a different species. The Zapata rail was discovered by Spanish zoologist Fermín Zanón Cervera in March 1927 in the Zapata Swamp near Santo Tomás, in the southern Matanzas Province of Cuba. The swamp holds one other bird found nowhere else, the Zapata wren, and also gives its name to the Zapata sparrow. Due to ongoing habitat loss in its limited range, its small population size, and predation by introduced mammals and catfish, the Zapata rail is evaluated as critically endangered on the International Union for the Conservation of Nature's Red List of threatened species. The swamp is listed as an internationally important wetland by the Convention on Wetlands. (Full article...)
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