IUCN threat status:

Endangered (EN)

Distribution

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Range Description

Macroagelaius subalaris occurs mainly along the west slope of the East Andes in Colombia. There are historical records from south-west Cundinamarca, north to the tip of the East Andes in Norte de Santander, where it also occurred on the west slope south to the upper Zulia valley (M. Alvarez and P. G. W. Salaman in litt. 1999), and it may have occurred throughout the east slope. However, the only recent records are from Guanent-Alto Ro Fonce Fauna and Flora Sanctuary, Santander, where it has been described as common (D. Uribe per L. M. Renjifo in litt. 1994) and Serrana de los Yarigues (Donegan et al. 2007). Its range has certainly contracted following complete deforestation in some areas. Surveys recorded the species in 22 localities (including one from which the species was historically known) from La Aguadita in Cundinamarca to Surata in Santander (Velsquez-Tibat et al. 2005), although follow-up surveys found that many of these sites are being rapidly deforested and the species may have suffered local extinctions (O. Cortes in litt. 2007, 2011, 2012). In surveys of Serrana de los Yarigues between 2003 and 2006, the species was recorded from three sites. At one of those sites, it was abundant; at the others it was observed less frequently (T. Donegan in litt.2006, Donegan et al. 2007). Surveys in Yarigues revealed high abundance in forest bordering a wetland, which may constitute an important habitat for the species (Fundacin ProAves de Colombia 2011). The Yarigues mountains probably harbour a population of at least 800 individuals, and they are regarded as the core area for the remaining global population (Fundacin ProAves de Colombia 2011).

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Source: IUCN

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