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This recently described species qualifies as Critically Endangered because it is known from a single location and has an extremely small area of occupancy within which habitat quality is continuing to decline owing to conversion for agriculture (particularly coca cultivation).
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
The male is blackish-green, with iridescent blue-green rump and blue-black tail, bluish-violet undertail, and white leg puffs, and differs from other Eriocnemis in having a bicoloured blue-violet and green gorget. Females are similar to E. nigrivestis and E. vestitus but underparts are more intensively fringed rufous with turquoise reflections on the belly centre (Cortés-Diago et al. 2007).
Related state of the world's birds case studies
Cortés-Diago, A.; Ortega, L. A.; Mazariegos-Hurtado, L.; Weller, A.-A. 2007. A new species of Eriocnemis (Trochilidae) from southwest Colombia. Ornitologia Neotropical 18(2): 161-170.
IUCN. 2015. The IUCN Red List of Threatened Species. Version 2015-4. Available at: www.iucnredlist.org. (Accessed: 19 November 2015).
Text account compilers
Sharpe, C J, Symes, A. & Ashpole, J
Cortés, O. & Salaman, P.
IUCN Red List evaluators
BirdLife International (2016) Species factsheet: Eriocnemis isabellae. Downloaded from http://www.birdlife.org on 26/06/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 26/06/2016.
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.
Additional resources for this species
|Current IUCN Red List category||Critically Endangered|
|Species name author||Cortes-Diago et al., 2007|
|Population size||U mature individuals|
|Distribution size (breeding/resident)||44 km2|
|Links to further information|
|- Additional Information on this species|