Biology
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With only five nests of the Zapata wren ever described, the breeding biology of this bird is poorly known. The nest is a ball of saw-grass leaves, about 14 centimetres across, with a side entrance and lined with feathers. It is situated a little way off the ground amongst saw-grass. The breeding season is thought to either be very long, or there may be two broods each year. Both sexes build the nest, whilst the female alone incubates at least two eggs (2). This energetic wren searches for food amongst low vegetation, or on the ground, where it scratches the terrain in search of prey (2). The Zapata wren has an extremely varied diet consisting of insects, spiders, lichen, seeds, slugs, snails, snail eggs, lizards and frogs (2) (3).
Conservation
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There are a number of protected areas within the Zapata swamp, the main being Ciénaga de Zapata National Park, and the whole swamp has been declared an UNESCO Biosphere Reserve. However regulations in these areas are not always enforced (4). It has been proposed that surveys to determine the population size and range of the Zapata wren should be undertaken (4), and enforced protection of its habitat is likely to be greatly beneficial.
Description
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The Zapata wren is a small, energetic bird found only in a small region of swamps in western Cuba. The short wings make it a poor flier; instead the Zapata wren skulks about on long legs and is thus often hard to observe. The plumage is rather drab; brown and finely barred with black above and brownish-white below (2). The bill and tail are both fairly long, and when perched the tail usually points down, a position the male often takes up when singing his pleasant, loud, canary-like song. This begins with one to three sweet whistled introductory notes followed by a complex series of grating rattles and buzzes (3).
Habitat
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Occurs in swamps and marshes with extensive fields of saw-grass and scattered shrubs and bushes. The swamps have a variable water level and become flooded to a depth of 0.5 meters during the rainy season (2) (3).
Range
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The Zapata wren is restricted to the Zapata Swamp, in west Cuba (2).
Status
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Classified as Endangered (EN) on the IUCN Red List 2006 (1).
Threats
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The Zapata wren has always been confined to a tiny area, which makes it particularly vulnerable to potential threats. At one point it was thought that the wren may be extinct, as searches in the area it was first discovered were unsuccessful at finding any individuals. This was probably because the area had suffered extensive burning, but fortunately, further expeditions which searched areas further afield were then successful in rediscovering the Zapata wren (2). The burning of grass continues to pose a threat to the Zapata wren, along with the drainage of wetlands in the region and the expansion of agriculture, which destroys suitable habitat. The Zapata wren may also suffer from predation by introduced mongooses and rats (2) (4).
Zapata wren
provided by wikipedia EN
The Zapata wren (Ferminia cerverai) is a medium-sized grayish-brown bird that lives in dense shrubs of the Zapata Swamp, Cuba. It is the only member of the monotypical genus Ferminia, which is endemic to Cuba and endangered. This species was first described in 1926 by Thomas Barbour and named after its co-discoverer, Fermín Zanón Cervera.
Description
Measuring about 16 centimetres (6.3 in) in length, it is brown overall, though striped with black and with grayish underparts. Its tail is long. The bird's song is similar to that of the house wren, in that it is high-pitched and loud, described as a "musical warble preceded by guttural note, given in series of three or four phrases."
Habitat and conservation
The Zapata wren is confined and endemic to the Zapata Peninsula of southern Cuba. The Zapata wren's habitat is typically freshwater marsh and lowland savanna with scattered bushes and low trees. It feeds on insects, spiders, small snails, lizards and berries. The wren typically makes its nest in sawgrass tussocks. It is thought to breed between January and July.
Typical threats are fires in the dry season, drainage of the wetlands, destruction due to agriculture, and predation by introduced mongooses and rats.
Discovery
The Zapata wren was formally described by American herpetologist Thomas Barbour,[2] who gave it the specific name cerverai in honour of the wren's discoverer, Fermín Zanón Cervera, a Spaniard who had stayed on after the Spanish–American War and become a professional naturalist. Barbour had been accompanied by Cervera on his previous visits to Cuba, and on hearing of the strange birds to be found in the Zapata area, he sent the Spaniard on a series of trips into the region, eventually leading to the finding of the wren.[3] In Spanish, the wren is known simply as ferminia.
References
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Zapata wren: Brief Summary
provided by wikipedia EN
The Zapata wren (Ferminia cerverai) is a medium-sized grayish-brown bird that lives in dense shrubs of the Zapata Swamp, Cuba. It is the only member of the monotypical genus Ferminia, which is endemic to Cuba and endangered. This species was first described in 1926 by Thomas Barbour and named after its co-discoverer, Fermín Zanón Cervera.
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