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This species, described in 2003, was known from a single location where its habitat has now been destroyed. It was subsequently found at several locations near to the type locality, and believed to have an extremely small population occupying a tiny range. Further surveys suggest that its range and potential population may be higher than initially suspected, but for the present it is maintained as Critically Endangered. With increased knowledge of the range and potential population of this species it is probable that it may be downlisted.
SACC. 2006. A classification of the bird species of South America. Available at: http://www.museum.lsu.edu/~Remsen/SACCBaseline.html.
Recent mitochondrial genetic data show that the genus Amaurospiza is not a member of the Emberizidae and instead indicate strong support for placement in the Cardinalidae (AOU 2009, SACC 2008).
12 cm. Male is glossy blue-black with sooty black wings and brighter blue shoulder. Underwing coverts and axillars are white. Bill is large, deep and conical, dark grey. Female is light buff-brown with an olive-grey bill. Similar spp separable from other Amaurospiza by the denisty of colouration and black flammulations on the breast as well as overall size.
Lentino, M.; Restall, R. 2003. A new species of Amaurospiza blue seedeater from Venezuela. The Auk 120: 600-606.
Text account compilers
Bird, J., Butchart, S., Calvert, R., Sharpe, C J & Symes, A.
Ascanio, D., Freile, J., Lentino, M. & Restall, R.
BirdLife International (2013) Species factsheet: Amaurospiza carrizalensis. Downloaded from http://www.birdlife.org on 09/12/2013. Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 09/12/2013.
This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.
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|Current IUCN Red List category||Critically Endangered|
|Family||Emberizidae (Buntings, American sparrows and allies)|
|Species name author||Lentino & Restall, 2003|
|Population size||1-49 mature individuals|
|Distribution size (breeding/resident)||1 km2|
|Links to further information|
|- Additional Information on this species|