December 2, 2008, Fereiro Bruno, Sávio; de Carvalho, Rafael Bessa Alves; Bartmann, Wolf (2006). 4 (Oct., 1956), pp. The elusive Brazilian Merganser not only ranks among the most endangered of all waterfowl, but rarest of all birds as well. Their habitats are diversely spread out as well, meaning that close interaction between groups of the merganser are no longer possible, which has contributed to their current state. Adult Brazilian mergansers are believed to remain on the same territory all year round, but there is not very much information about their movements and dispersal, so information on this is presently speculative in nature. One of the most striking things about these creatures, however, is the fact that they are mostly silent – when they do make noise, it almost sounds like a dogs bark rather than the traditional quack you would expect to hear from a duck. Island Press, 2003. Dam-building has also become a major part in the disappearance of these birds. Endangered species found in Brazil: This list combines species from several endangered species lists. Males make a barking dog-like call, females make a harsh rrr-rrrr and the contact call ia a soft rak-rak-rak. The upper body of these creatures tends to be dark grey, whilst the breast is a light grey color in contrast. December 1, 2008, William H. Partridge The Auk, Vol. A major threat to the birds' survival is the issue of silting of rivers caused by the expansion of farming activities, mining, watershed degradation and soil erosion, as well as deforestation. Other than this, the animals are very much rare to be seen across the world as they have been ravaged by various different reasons. Animal Group: Bird. EX EW CR EN VU NT LC. Enjoy Argentina. Their main distribution location seems to be within Serra da Canastra, where just under a fifth of the remaining population all remain. The Brazilian Merganser (Mergus octosetaceus) is a species of concern belonging in the species group "birds" and found in the following area (s): Argentina, Brazil, Paraguay. This contributes to their rather comical image among some Brazilians. A new threat to the species includes the installation of hydroelectric plants. In 2002, the species was also found on the Arroyo Uruzu in Misiones, Argentina, the first record in the country for ten years, despite extensive surveys done by local researchers conducted throughout previous years. The filling of the Urugua-i reservoir, which took place between 1989 and 1991, had a major impact on Brazilian mergansers in Argentina. The dams flood suitable habitat, especially in Brazil and Paraguay, where the Brazilian mergansers build their nests and lay their eggs. The scenic beauty of Serra de Canastra National Park brings people from around the world to see the ecotourism landmark. Current traditional soil management and use practices in the region from farming may bring about serious damage regarding conservation of natural resources, especially water, on which the Brazilian mergansers and the farmers themselves are dependent. & Almeida, M. L. (2010). Originally, the duck's geographical distribution comprised central-south Brazil and adjacent regions in Paraguay and Argentina. Ducklings give a high pitched ik-ik-ik. Regions: Americas. BirdLife International (2008) Species factsheet: Mergus octosetaceus. Brazilian mergansers are very territorial birds defending large stretches of river and the land surrounding the fast-flowing water. Brazilian merganser, Mergus octosetaceus, at Zooparque Itatiba. 2012). Wildfowl and Wetlands Trust. "Environmental Education for the Conservation of a Critically Endangered Species". Upperparts are dark grey while the breast is light grey, getting paler toward the whitish belly, and a white wing patch is particularly noticeable in flight. The most common threat to these ducks is down to humans, believe it or not. BirdLife species factsheet for Brazilian Merganser Brazilian Merganser Mergus octosetaceus occurs at a few highly disjunct localities in south-central Brazil, with a few records from Argentina in 2002 (the first in the country for 10 years despite … The young are capable of flight by September and/or October. Final Report: Waterbirds in Brazil. Sporting activities also create a disturbance for the Brazilian Mergansers. The Brazilian merganser (M. octosetaceus) is a South American duck, and one of the six most threatened waterfowl in the world, with possibly fewer than 250 birds in the wild. Using the total at the bottom of this page as an official count of endangered species of the world is not recommended. November 10, 2008, "Critically Endangered Brazilian Merganser to be radio tagged ". Possibly fewer than 250 birds remain, and some conservationists fear that even this estimate may be optimistic. São Paulo, Brasil: Rua Fernão Dias, 2006. del Hoyo, J., Elliott, A. and Sargatal, J. A duck of slender proportion and a dark color, it’s got a particularly long crest which tends to be a little bit shorter when you are talking about a female merganser. They are recognized as a resident species that does not abandon the watercourses where it established its territory. Recent records from Brazil indicate that this species's status may be marginally better than previously thought. In Jalapão region are estimated 13 individuals in Novo river on 2009/2010 (four couples and some solitary adults). Possibly fewer than 250 birds remain, and some conservationists fear that even this estimate may be optimistic. The origin of its name is from its long, sharp-edged beak that has a great number of teeth-looking edges. November 10, 2008, Wildlife Extra, "Critically Endangered Brazilian Merganser to be radio tagged ". It is one of the six most threatened waterfowl in the world, with possibly fewer than 250 birds in the wild and a few kept in captivity in Brazil. Species Name Scientific Name Group Range; 1. Hydropower plants are planned to be built in the same rivers that Brazilian mergansers have been found in Paraná (rio Tibagi), Goiás (rio Paranã) and Tocantins (rio Novo). Considering the current scenario and prospects regarding the conservation of the Brazilian Merganser, we strongly disagree with its downlisting to Endangered, for the following reasons: After 12 years of work with the Brazilian Merganser in the Serra da Canastra region, the Terra Brasilis team has assessed a population of ca. 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