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Melanodera xanthogramma

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PASSERIFORMES EMBERIZIDAE

Scientific Name: Melanodera xanthogramma
Species Authority: (Gould & G. R. Gray, in Gould, 1839)
Common Name(s):
English Yellow-bridled Finch

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2012-05-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Facilitator/Compiler(s): Ekstrom, J., Butchart, S., Harding, M., Fisher, S.
Justification:
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.

Geographic Range [top]

Range Description: This species is found in central and south Chile (north to Atacama) and south Argentina (north to west Neuquén), south to Tierra del Fuego (Ridgely and Tudor 1989). It formerly occurred on the Falkland Islands (Malvinas) but there have been only three specimens collected and an unsubstantiated field sighting since the species was first recorded as 'common' in 1841 (Woods and Woods 1997). The species is known from seven protected areas: Copahue-Caviahue Provincial Park (M. Babarskas and J. Veiga pers. comm.); Lanín and Nahuel Huapi (Neuquén), Los Alerces (Chubut), Perito Moreno (Santa Cruz) and Tierra del Fuego National Parks in Argentina, and Magallanes National Reserve in Chile (Tabilo et al. 1996).
Countries:
Native:
Argentina; Chile
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The global population size has not been quantified, but this species is described as 'uncommon and patchily distributed' (Stotz et al. 1996).
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species is found in southern temperate grasslands, pastures, agricultural land and puna grassland at elevations up to 3,300 m (Stotz et al. 1996), descending to sea level during the winter or at any season when the higher altitudes are briefly covered by snow (Ridgely and Tudor 1989). Breeding occurs mostly on ridges at or just above the timberline (Ridgely and Tudor 1989). Intense grazing is rapidly degrading its preferred grassland habitats (Stotz et al. 1996).
Systems: Terrestrial

Citation: BirdLife International 2012. Melanodera xanthogramma. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 21 September 2014.
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