Amazilia alfaroana Underwood, 1896

Alfaro's hummingbird, Indigo-capped hummingbird, Miravalles hummingbird, Guanacaste hummingbird

Taxonomy & Nomenclature

Synonym/s: Saucerottia alfaroana Underwood, 1896; Amazilia cyanifrons alfaroana Underwood, 1896; Amazilia cyanifrons (Bourcier, 1843) [pro parte]

Conservation Status

Missing

Last record: 1895 (Underwood, 1896; Kittelberger et al., 2024)

IUCN RedList status: Critically Endangered

Distribution

Miravalles Volcano, Costa Rica

Biology & Ecology

Hypodigm

Only known from the holotype.

Media

References

Original scientific description:

Underwood, C. F. (1896) A List of Birds Collected or Observed on the Lower, Southern, And South-western Slopes of the Volcano of Miravalles and on the Lower Lands Extending to Bagaces in Costa Rica, With a Few Observations on Their Habits. Ibis 38: 431-451. [volume 2(7)?]

Other references:

BirdLife International. 2017. Amazilia alfaroana. The IUCN Red List of Threatened Species 2017: e.T119194112A119196362. http://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T119194112A119196362.en. Downloaded on 16 December 2017.

Butchart, Stuart H. M., Lowe, Stephen, Martin, Rob W., Symes, Andy, Westrip, James R. S. and Wheatley, Hannah. (2018a). Which bird species have gone extinct? A novel quantitative classification approach. Biological Conservation 227: 9-18. https://doi.org/10.1016/j.biocon.2018.08.014

Butchart, Stuart H. M., Wheatley, Hannah, Lowe, Stephen, Westrip, James R. S., Symes, Andy and Martin, Rob W. (2018b). Data for: Which bird species have gone extinct? A novel quantitative classification approach. Mendeley Data, V1, doi: 10.17632/vvjhpmyxb4.1

del Hoyo, J.; Collar, N. J. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

Kirwan, Guy M. and Collar, Nigel J. (2016). The ‘foremost ornithological mystery of Costa Rica’: Amazilia alfaroana Underwood, 1896. Zootaxa 4189(2): 244-250. [Abstract]

Kittelberger, Kyle D., Tanner, Colby J., Buxton, Amy N., Prewett, Amira and Şekercioğlu, Çağan Hakkı. (2024). Correlates of avian extinction timing around the world since 1500 CE. Avian Research 15: 100213. https://doi.org/10.1016/j.avrs.2024.100213 [Supplementary data (List of 216 taxa)]

Martin, Thomas E., Bennett, Gareth C., Fairbairn, Andrew J. and Mooers, A. Ø. (2023). ‘Lost’ taxa and their conservation implications. Animal Conservation 26(1): 14-24. https://doi.org/10.1111/acv.12788 [Appendix S2 (1617 taxa not seen >10 years); Appendix S3 (562 taxa not seen >50 years)]

Mittermeier, John C. et al. (2022). Fantastic lost birds and how you can help find them: an updated gap analysis for the Neotropical avifauna. Neotropical Birding 31: 25-32.

Stiles, F. G. and Skutch, A. F. (1989). A Guide to the Birds of Costa Rica. Cornell University Press, Ithaca, NY.

Weller, A. A. (2001). On types of trochilids in the Natural History Museum, Tring III. Amazilia alfaroana Underwood (1896), with notes on biogeography and geographical variation in the Saucerottia saucerrottei superspecies. Bulletin B.O.C. 121(2): 98-107.

http://www.birdlife.org/globally-threatened-bird-forums/2017/06/amazilia-alfaroana-is-to-be-recognised-as-a-species-by-birdlife-list-as-data-deficient-or-critically-endangered-possibly-extinct/

http://extinctanimals.proboards.com/thread/12758/alfaros-hummingbird

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