Puerto Rican emerald

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Puerto Rican emerald
Chlorostilbon maugaeus.jpg
CITES Appendix II (CITES) [2]
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Strisores
Order: Apodiformes
Family: Trochilidae
Genus: Riccordia
Species:
R. maugaeus
Binomial name
Riccordia maugaeus
(Audebert & Vieillot, 1801)
Chlorostilbon maugaeus map.svg
Synonyms

"Chlorostilbon maugaeus" [3]

The Puerto Rican emerald (Riccordia maugaeus), or zumbadorcito de Puerto Rico in Spanish, is species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is endemic to Puerto Rico. [4] [3] [5]

Contents

Taxonomy and systematics

The Puerto Rican emerald was formerly placed in the genus Chlorostilbon . Based on a molecular phylogenetic study published in 2014 and a 2017 publication, the North American Classification Committee of the American Ornithological Society, the International Ornithological Committee (IOC), and the Clements taxonomy moved it to the resurrected genus Riccordia . [6] [7] [8] [4] [9] However, as of 2020 BirdLife International's Handbook of the Birds of the World (HBW) retained it in Chlorostilbon. [3]

Description

Male Puerto Rican emeralds are 8.5 to 9.5 cm (3.3 to 3.7 in) long and females 7.5 to 8.5 cm (3.0 to 3.3 in). The species weighs between 3.4 and 3.8 g (0.12 and 0.13 oz). Both sexes have a small white spot behind the eye. Males have a short straight bill with black-tipped red mandible and a black maxilla. Its forehead and crown are iridescent green; the rest of its upperparts are dark shining metallic green. Its gorget is iridescent bluish green and the rest of its underparts are shining green. The tail is forked and shining steely blue. The female's bill is all black. Its forehead and crown are dull dark green and the rest of the upperparts shining grass green. Its throat is light gray that darkens on the belly and undertail coverts. The tail is less forked than the male's. Its outermost pair of feathers have pale white bases, brown centers, and white ends. The next pair inward is steel blue with greenish white bases and a white spot at the end. The next two pairs are green on their body half and dull brown beyond. The central pair is shining green. [5]

Distribution and habitat

The Puerto Rican emerald is found throughout its namesake island. It inhabits almost all the forested landscapes from coastal mangroves to montane forest on the summits including dry and moist forests, plantations, and secondary forest. It also occurs in gardens and urban areas. [5] [1]

Behavior

Movement

The Puerto Rican emerald is sedentary. [5]

Feeding

The Puerto Rican emerald forages for nectar from wide variety flowering plants and trees. It mostly feeds at low to medium levels of the forest. In addition to nectar, it feeds on small arthropods by gleaning from leaves and branches; its diet includes flies, Homoptera, Hymenoptera, and spiders. [5]

Breeding

The Puerto Rican emerald's peak breeding season spans from February to May but some nesting occurs at any time of year. The nest is a small cup of dry plant fibers lined with softer material and covered with lichen. It is typically built in a low to medium-height shrub or tree. The female incubates the clutch of two eggs for 14 to 16 days; fledging occurs 20 to 22 days after hatch. [5]

Vocalization

What is believed to be the Puerto Rican emerald's song is "a repeated twittering phrase of high-pitched descending notes followed by a series of ‘lisping’ notes on constant pitch 'tseereetseetseetsee-tslew-tslew-tslew-tslew-tslew'". It also makes "high-pitched 'tsik'" and "si..si..sik-sik...tsik.." calls. [5]

Status

The IUCN has assessed the Puerto Rican emerald as being of Least Concern, though its population size and trend are not known. [1] It is considered generally common throughout its large island and accepts human-made landscapes like plantations, gardens, and parks. [5]

See also

Related Research Articles

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<span class="mw-page-title-main">Golden-crowned emerald</span> Species of hummingbird

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<span class="mw-page-title-main">Cozumel emerald</span> Species of hummingbird

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<span class="mw-page-title-main">Western emerald</span> Species of hummingbird

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References

  1. 1 2 3 BirdLife International (2016). "Chlorostilbon maugaeus". IUCN Red List of Threatened Species . 2016. Retrieved 29 July 2022.
  2. ↑ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. 1 2 3 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 27 May 2021
  4. 1 2 Gill, F.; Donsker, D.; Rasmussen, P., eds. (January 2022). "Hummingbirds". IOC World Bird List. v 12.1. Retrieved January 15, 2022.
  5. 1 2 3 4 5 6 7 8 Bündgen, R. and P. F. D. Boesman (2021). Puerto Rican Emerald (Riccordia maugaeus), version 1.1. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.pureme1.01.1 retrieved July 29, 2022
  6. ↑ McGuire, J.; Witt, C.; Remsen, J.V.; Corl, A.; Rabosky, D.; Altshuler, D.; Dudley, R. (2014). "Molecular phylogenetics and the diversification of hummingbirds". Current Biology. 24 (8): 910–916. doi: 10.1016/j.cub.2014.03.016 . PMID   24704078.
  7. ↑ Stiles, F.G.; Remsen, J.V. Jr.; Mcguire, J.A. (2017). "The generic classification of the Trochilini (Aves: Trochilidae): Reconciling taxonomy with phylogeny". Zootaxa. 4353 (3): 401–424. doi:10.11646/zootaxa.4353.3. PMID   29245495.
  8. ↑ "Check-list of North and Middle American Birds". American Ornithological Society. June 29, 2021. Retrieved August 9, 2021.
  9. ↑ Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ Retrieved August 25, 2021

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