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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.
Anon. 2014. Carrizal Seedeater (Amaurospiza carrizalensis) Mohamed bin Zayed Species project number 14057832. The Mohamed bin Zayed Species Conservation Fund Available at: http://www.speciesconservation.org/case-studies-projects/carrizal-seedeater/7832.
IUCN. 2015. The IUCN Red List of Threatened Species. Version 2015-4. Available at: www.iucnredlist.org. (Accessed: 19 November 2015).
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. & Ashpole, J
Ascanio, D., Freile, J., Lentino, M. & Restall, R.
IUCN Red List evaluators
BirdLife International (2016) Species factsheet: Amaurospiza carrizalensis. Downloaded from http://www.birdlife.org on 25/05/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/05/2016.
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.
To provide new information to update this factsheet or to correct any errors, please email BirdLife
To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.
|Current IUCN Red List category||Critically Endangered|
|Family||Cardinalidae (Grosbeaks, saltators 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|