IUCN threat status:

Vulnerable (VU)


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Range Description

Amazona pretrei breeds in Rio Grande do Sul, south Brazil, with main populations in the Campo de Cima da Serra, Planalto Mdio, Depresso Central, Serra do Sudeste and Alto Uruguai (Prestes et al. 1997). Southern (and perhaps northern) breeders move north in the austral winter. Most of the wintering population formerly roosted at Aracuri but, since 1991, there has been a shift to south-east Santa Catarina (Snyder et al. 2000). In 1994, there were 15 roost sites in use seasonally, but large roosts at Aracuri and Rinco dos Pereira had disappeared. There has been a startling population decline since the 1950s. In 1971, the Aracuri roost was c.30,000 individuals, but more recent estimates of the total population are 7,500-8,500 individuals in the early 1990s, c.10,000 in 1994, c.12,600 in 1996 and c.16,300 in 1997 (Snyder et al. 2000). Elsewhere, there is an erroneous 19th century specimen from So Paulo (C.Yamashita in litt. 2000). Wandering birds occur in Argentina and Paraguay, but there are only three recent records (Brooks et al. 1993, Lowen et al. 1996, Chebez et al. 1998). The current breeding and wintering ranges are estimated by ecological niche modelling to have contracted from historical ranges by 32% and 43% respectively; and they are predicted to have shrunk by 63% and 91% respectively by 2060 (Marini et al. 2010).


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN


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