Mérida sunangel

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Mérida sunangel
Heliangelus spencei.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: Heliangelus
Species:
H. spencei
Binomial name
Heliangelus spencei
(Bourcier, 1847)
Heliangelus spencei map.svg
Synonyms

Heliangelus amethysticollis spencei

The Mérida sunangel (Heliangelus spencei) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is endemic to Venezuela. [3] [4]

Contents

Taxonomy and systematics

The taxonomy of the Merida sunangel is not settled. The International Ornithological Committee (IOC), the Clements taxonomy, and BirdLife International's Handbook of the Birds of the World (HBW) treat it as a species. [3] [5] [4] The South American Classification Committee (SACC) of the American Ornithological Society treats it as a subspecies of the amethyst-throated sunangel (H. amethysticollis). [6]

Description

The Merida sunangel is 10 to 11 cm (3.9 to 4.3 in) long. It has a straight black bill. The adult male has a pale blue frontlet just above the bill, a dark green crown, and shining green upperparts. The face has black ear coverts. Its throat and upper breast gorget is glittering purple with pinkish scales and has a white pectoral band below it. The rest of the underparts are yellowish to pale buff with round green spots. The central tail feathers are dark green and the outer feathers blackish, occasionally with pale tips. The adult female has less black on the face. Its throat is maroon with white and green scaling. Its underparts have fewer green spots than the male's and appears more yellowish. Juveniles are thought to resemble the female. [7]

Distribution and habitat

The Merida sunangel is found only in the Andes of Mérida state in northwestern Venezuela. It inhabits rather open landscapes such as shrubby forest edges, openings within forest, and brushy pastures. In elevation it ranges between 2,000 and 3,600 m (6,600 and 11,800 ft). [7]

Behavior

Movement

The Merida sunangel is sedentary. [7]

Feeding

Little is known about the Merida sunangel's feeding habits and diet, but they are believed to essentially the same as those of its close relative, Longuemare's sunangel (H. clarisse). That species feeds on nectar and also includes insects in its diet. It defends feeding territories that are dense with nectar sources. It typically feeds at heights up to 6 m (20 ft), often along streams. It captures insects by hawking from a perch. [7]

Breeding

The only known Merida sunangel nest was found in June. It was a downy cup perched on a small root under an overhang in a road cut. It held two white eggs. Nothing else is known about the species' breeding phenology. [7]

Vocalization

The Merida sunangel's call is "a repeated, high-pitched, cricket-like, short trill" that is given both while perched and in flight. [7]

Status

The IUCN has assessed the Merida sunangel as being of Least Concern, though its population size and trend are not known. [1] It has a small range but about 3/5 of it is within protected areas. The principal threats are "expansion of agricultural frontier and habitat fragmentation." [7]

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References

  1. 1 2 BirdLife International (2016). "Merida Sunangel Heliangelus spencei". The IUCN Red List of Threatened Species . 2016. IUCN: e.T60860042A95164382. doi: 10.2305/IUCN.UK.2016-3.RLTS.T60860042A95164382.en . Retrieved 20 January 2022.
  2. "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. 1 2 Gill, F.; Donsker, D.; Rasmussen, P., eds. (August 2022). "Hummingbirds". IOC World Bird List. v 12.2. Retrieved August 9, 2022.
  4. 1 2 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
  5. Clements, J. F., T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2022. The eBird/Clements checklist of birds of the world: v2022. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ retrieved November 10, 2022
  6. 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 24 July 2022. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved July 24, 2022
  7. 1 2 3 4 5 6 7 del Hoyo, J., I. Heynen, N. Collar, P. F. D. Boesman, G. M. Kirwan, and C. J. Sharpe (2020). Amethyst-throated Sunangel (Heliangelus amethysticollis), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.amtsun1.01 retrieved January 20, 2022