| Guanacaste hummingbird | |
|---|---|
| Conservation status | |
 Critically Endangered (IUCN 3.1) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Clade: | Strisores |
| Order: | Apodiformes |
| Family: | Trochilidae |
| Genus: | Saucerottia |
| Species: | S. alfaroana |
| Binomial name | |
| Saucerottia alfaroana (Underwood, 1896) | |
| |
| Synonyms | |
|
Amazilia alfaroana | |
The Guanacaste hummingbird, also known as the Alfaro's hummingbird or Miravalles hummingbird (Saucerottia alfaroana), is a possibly extinct species of hummingbird known only from a holotype collected in 1895 at the Miravalles Volcano in Costa Rica.
Taxonomy
It is usually treated as a subspecies of the Indigo-capped hummingbird or a hybrid between two unknown hummingbird species, but analysis of the holotype suggests it is its own species.
Conservation
It is possibly extinct, but the ecological stability of the area where the specimen was found indicates a possible undiscovered population still existing. The IUCN classifies it as critically endangered.
References
- ^ BirdLife International. (2021). "Amazilia alfaroana". IUCN Red List of Threatened Species. 2021: e.T119194112A178574309. doi:10.2305/IUCN.UK.2021-3.RLTS.T119194112A178574309.en. Retrieved 12 November 2021.
- Government of Canada, Public Services and Procurement Canada (2009-10-08). "AMAZILIA ALFAROANA [1 record] - TERMIUM Plus® — Search - TERMIUM Plus®". www.btb.termiumplus.gc.ca. Retrieved 2022-04-20.
- Kirwan, Guy M.; Collar, Nigel J. (2016-11-10). "The 'foremost ornithological mystery of Costa Rica': Amazilia alfaroana Underwood, 1896". Zootaxa. 4189 (2): zootaxa.4189.2.2. doi:10.11646/zootaxa.4189.2.2. ISSN 1175-5334. PMID 27988731.
- "Lost Birds". re:wild. Retrieved 2022-04-20.
| Taxon identifiers | |
|---|---|
| Amazilia alfaroana | |
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