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Cinnamon hummingbird

Cinnamon hummingbird
A. r. rutila
Suchitepéquez Dept., Guatemala.
CITES Appendix II (CITES)[2]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Strisores
Order: Apodiformes
Family: Trochilidae
Genus: Amazilia
Species:
A. rutila
Binomial name
Amazilia rutila
(Delattre, 1843)
Range of A. rutila

The cinnamon hummingbird (Amazilia rutila) is a species of hummingbird in the tribe of the 'emeralds', Trochilini (subfamily Trochilinae). Currently, four regional subspecies are recognized.

Cinnamon hummingbirds are typically found at or just slightly above sea level, often inhabiting coastal and lowland areas, as well as further inland in warmer locations in the southern parts of their range. They are predominantly found along the Pacific western coast of México and south through Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica.[3] They are also found in Belize and the southern Mexican states of Campeche, Quintana Roo and Yucatán.[4]

Taxonomy

The cinnamon hummingbird was formally described in 1842 by French naturalist René Lesson after a specimen he had collected near Acapulco, Guerrero, in southwestern Mexico. Lesson placed the new species in the genus Ornismya and coined the binomial name Ornismya cinnamomea.[5] Unfortunately, the specific epithet was already in-use, as Paul Gervais had previously used O. cinnamomeus for a separate species of hummingbird described in 1835.[6][7] In 1843, French ornithologist Adolphe Delattre introduced O. rutila as a new name for Lesson's hummingbird.[8]

Today, the cinnamon hummingbird is placed in the genus Amazilia, first introduced by Lesson in 1843.[9][10] The generic name comes from an Inca heroine in Jean-François Marmontel's novel Les Incas, ou la destruction de l'Empire du Pérou ("The Incas, or the destruction of the Peruvian Empire"). The specific epithet rutila is from the Latin rutilus, meaning "golden", "red" or "auburn".[11]

Four subspecies are recognised:[10]

It has been suggested that graysoni be treated as a separate species, due to its restricted and isolated range on the Islas Marías.[12] Additionally, it has been debated as to whether or not diluta should be included with rutila, as the two subspecies intergrade.[13]


Description

The cinnamon hummingbird is 9.5 to 11.5 cm (3.7 to 4.5 in) long and on average weighs about 5 to 5.5 g (0.18 to 0.19 oz). Adults of the nominate subspecies A. r. rutila have metallic bronze green upperparts and cinnamon to cinnamon rufous underparts that are paler on the chin and upper throat. The tail is deep cinnamon rufous to rufous chestnut; the feathers have dark metallic bronze tips and the outermost have dark metallic bronze outer edges. The wings are a dark brownish slate. Males' bills are red with a black tip and females' mostly black with red at the base. Juveniles are similar to adults but have rufous edges to the face, crown, and rump feathers and an all black bill.[14]

The song is "varied, high, thin, slightly squeaky chips, si ch chi-chit or tsi si si-si-sit, or chi chi-chi chi chi, etc." Its call has been described as "a buzzy, scratchy tzip" and "a hard to sharp chik".[14]

Amazilia rutila diluta is similar to the nominate, with slightly less intense green upperparts and paler and pinker underparts. A. r. corallirostris is also similar to the nominate but overall its colors are richer and deeper. A. r. graysoni is significantly larger and darker than the nominate but otherwise similar.[14]

Distribution and habitat

The cinnamon hummingbird is resident throughout its range.[14] The subspecies of cinnamon hummingbird are found in the following regions:[10][14]

The populations in Mexico's Yucatán Peninsula, as well as N.E. Honduras, Nicaragua, and Costa Rica, are often attributed to A. r. rutila but have sometimes been considered part of A. r. corallirostris.[14][13]

The cinnamon hummingbird inhabits primary and secondary deciduous and semi-deciduous forests and thorn forest. It ranges from sea level to about 1,600 m (5,200 ft) of elevation.[14]

Behavior

Feeding

The cinnamon hummingbird usually forages from the understory to the mid-story, but also will visit taller flowering trees. It feeds on nectar from a very wide variety of flowering plants and also eats insects. It is territorial and defends feeding sites from intrusion by other hummingbirds, bees, and butterflies.[14]

Breeding

The cinnamon hummingbird's breeding season varies throughout its range; every month is represented somewhere. Its nest is a cup made of plant material and spider web placed on a horizontal branch. Three nests in western Mexico had a small platform of wood pieces under the cup. The cup was made of kapok seed fibers with grass, bits of wood, and lichens on the outside. All three were in semi-deciduous forest. The clutch size is two eggs, but little more is known about the species' breeding phenology.[14][15]

Status

The IUCN has assessed the cinnamon hummingbird as being of Least Concern. It has a large range and its population is estimated to be at least 500,000 mature individuals and stable.[1] Localized habitat destruction appears to be its only threat.[14]

References

  1. ^ a b BirdLife International (2016). "Cinnamon Hummingbird Amazilia rutila". IUCN Red List of Threatened Species. 2016: e.T22687603A93160040. doi:10.2305/IUCN.UK.2016-3.RLTS.T22687603A93160040.en. Retrieved 14 February 2022.
  2. ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. ^ "Observations • iNaturalist". iNaturalist.org. 25 July 2024.
  4. ^ "Observations • iNaturalist". iNaturalist. 25 July 2024.
  5. ^ Lesson, René (1842). "Species avium novae aut minimus cognitae". Revue Zoologique (in Latin). 1842: 174–175 [175].
  6. ^ Gervais, Paul (1835). "Oiseau-Mouche Ornismya". Magasin de Zoologie. 5. Classe 2, p. 1, Plate 43.
  7. ^ Peters, James Lee, ed. (1945). Check-List of Birds of the World. Vol. 5. Cambridge, Massachusetts: Harvard University Press. p. 73.
  8. ^ Delattre, Adolphe (1843). "Oiseaux-mouches nouveaux ou peux connus, découverts au Guatimala". L'Écho du Monde Savant et l'Hermès (in French). 10 (Part 2). Column 1068–1070 [1069].
  9. ^ Lesson, René (1843). "Ornithologie: Complément à l'histoire naturelle des oiseaux-mouches". L'Echo du Monde Savant (in French). Part 2 (32). Col. 755–758 (757).
  10. ^ a b c Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (August 2022). "Hummingbirds". IOC World Bird List Version 12.2. International Ornithologists' Union. Retrieved 13 September 2022.
  11. ^ Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 43, 344. ISBN 978-1-4081-2501-4.
  12. ^ "Observations • iNaturalist". 24 July 2024.
  13. ^ a b HBW and BirdLife International (2020) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world Version 5. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v5_Dec20.zip [.xls zipped 1 MB] retrieved May 27, 2021
  14. ^ a b c d e f g h i j Arizmendi, M. d. C., C. I. Rodríguez-Flores, C. A. Soberanes-González, and T. S. Schulenberg (2020). Cinnamon Hummingbird (Amazilia rutila), version 1.0. In Birds of the World (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.cinhum1.01 retrieved February 14, 2022
  15. ^ Nuñez-Rosas, Laura E.; Ramírez-García, Enrique; Lara, Carlos; del Coro Arizmendi, María (2021). "Nest description, nest survival, and habitat use of three resident hummingbird species in western Mexico". The Wilson Journal of Ornithology. 133 (2): 236–246. doi:10.1676/20-00065. S2CID 245539704.
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