Glowing puffleg

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Glowing puffleg
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: Eriocnemis
Species:
E. vestita
Binomial name
Eriocnemis vestita
(Lesson, 1839)

The glowing puffleg (Eriocnemis vestita) is a species of hummingbird in the "brilliants", tribe Heliantheini in subfamily Lesbiinae. It is found in Colombia, Ecuador, Peru, and Venezuela.[3][4]

Taxonomy and systematics

The glowing puffleg has four recognized subspecies:[3]

Several other subspecies have been proposed but all are now (2022) considered to be hybrids or color morphs of these four.[5]

Description

The glowing puffleg is 9 to 10 cm (3.5 to 3.9 in) long. Males weigh 3.3 to 7.2 g (0.12 to 0.25 oz) and females 3.6 to 5.3 g (0.13 to 0.19 oz). It has a straight blackish bill. The nominate subspecies' male has shining dark green upperparts with a golden green rump and uppertail coverts. It has a glittering purple throat patch thinly surrounded by golden green. The rest of its throat and its upper breast are shining blackish green, its belly glittering golden green, and its undertail coverts iridescent purplish blue. Its leg puffs are white. The tail is forked and dark steel blue. The female has shining golden green upperparts. Its throat patch is a few bluish purple discs on a buffy background. The rest of the throat and the breast are buff and the belly grayish white, all with golden green discs. The juvenile is similar to the female.[6]

Subspecies E. v. paramillo is like the nominate but without the golden green fringe to the purple throat. Males of E. v. smaragdinipectus have the largest purple throat patch of all. E. v. arcosae is similar to smaragdinipectus but its rump and uppertail coverts are yellowish green that extends up into the lower back; males also have shorter bills and a grayer belly than the nominate.[6]

Distribution and habitat

The subspecies of glowing puffleg are found thus:[3][6]

The glowing puffleg inhabits a variety of fairly open landscapes. The edges of cloudforest and elfin forest predominate. It also occurs on brushy slopes, overgrown pastures, and páramo and occasionally in denser subtropical forest. In elevation it ranges between 2,300 and 4,200 m (7,500 and 13,800 ft) but mostly occurs between 2,800 and 3,500 m (9,200 and 11,500 ft).[6]

Behavior

Movement

The glowing puffleg is sedentary.[6]

Feeding

The glowing puffleg feeds on nectar, usually at the flowers of low-growing shrubs with short corollas. It nectars while hovering, perching, or sometimes clinging to the flower. It is "pugnacious and territorial" at flowering plants. Its diet also includes insects and spiders taken by hawking.[6]

Breeding

The glowing puffleg's breeding season is not well defined. At least in Colombia's Eastern Andes it appears to have nested in every month except July. The nest has not been described except that it is often built in stands of grass. The female incubates the two white eggs; the incubation period and time to fledging are not known.[6]

Dickcissel male perched on a metal pole singing, with neck stretched and beak open.

Songs and calls
Listen to glowing puffleg on xeno-canto

Vocalization

The glowing puffleg's only described vocalization is "a single metallic note 'tseek' or doubled 'tsi-tseek', repeated at irregular intervals". It is given both from a perch and while hovering.[6]

Status

The IUCN has assessed the glowing puffleg as being of Least Concern. It has a large range, and though its population size is not known it is believed to be stable.[1] It occurs in a few protected areas and "[r]eadily accepts secondary growth and overgrown pastures."[6]

References

  1. ^ a b BirdLife International (2016). "Glowing Puffleg Eriocnemis vestita". IUCN Red List of Threatened Species. 2016: e.T22687914A93174907. doi:10.2305/IUCN.UK.2016-3.RLTS.T22687914A93174907.en. Retrieved 13 March 2022.
  2. ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. ^ a b c Gill, F.; Donsker, D.; Rasmussen, P., eds. (January 2022). "Hummingbirds". IOC World Bird List. v 12.1. Retrieved January 15, 2022.
  4. ^ 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
  5. ^ Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 31 January 2022. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved February 1, 2022
  6. ^ a b c d e f g h i Heynen, I., P. F. D. Boesman, and G. M. Kirwan (2020). Glowing Puffleg (Eriocnemis vestita), version 1.0. 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.glopuf2.01 retrieved March 13, 2022


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