Turquoise-throated puffleg

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Turquoise-throated puffleg
Eriocnemis godini.jpg
Status iucn3.1 CR.svg
Critically endangered, possibly extinct  (IUCN 3.1) [1]
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: Eriocnemis
Species:
E. godini
Binomial name
Eriocnemis godini
(Bourcier, 1851)
Eriocnemis godini map.svg

The turquoise-throated puffleg (Eriocnemis godini), also known as Godin's puffleg, is a species of hummingbird from Ecuador. It is mostly green with blue undertail coverts and white powder-puffs of downy feathers on the legs, and the male has a bluish-purple throat patch. It is only known from a few specimens taken in the nineteenth century and its taxonomic position is unclear. The type of habitat in which the type species was obtained has largely disappeared, and recent surveys trying to find this bird have failed. The International Union for Conservation of Nature believes it may be extinct, but there is a possibility that some individuals remain, so the bird has been rated as "critically endangered".

Description

Based on the few known specimens, it has a total length of 10-11 centimetres. The plumage of the male is predominantly green with a turquoise tinted throat. Both sexes have violet blue untertail-coverts and a straight black bill. The upperparts and the main part of the underparts are shimmering golden green in the males. Rump and uppertail-coverts are bluish green. The throat is pale violet blue and the forked tail is bluish black. The female lacks the throat patches, its plumage is less light and the belly more golden. Like all pufflegs it has striking leg-puffs of dense white downy feather tufts.

Taxonomical debate

The turquoise-throated puffleg is a subject of a taxonomical debate, at least partially due to its status and the few known specimens. Graves (1996) assumed it could be a hybrid between E. vestita and an undetermined Eriocnemis species, while Ridgely (2001) suggested to see it as subspecies of the E. vestita. [3] [4] [5]

Distribution and status

This hummingbird is only known by six specimens which were collected in the 19th century. Only the type specimen from 1850 has a known locality, it being from the Chillo valley, Guayllabamba plains, Ecuador, at an altitude between 2,100 and 2,300 m asl. Two skins are simply labelled "Bogotá" - a common practice in the 19th century and not necessarily directly related to the actual locality where they were taken. It has been suggested that these two "Bogotá" specimens originated from Pasto in Nariño, Colombia.

Virtually all presumed habitat at the type locality has been destroyed. Only a few remnants are left in the steep-sided stream-cuts in the arid upper Guaillabamba drainage.

After an unconfirmed sighting in 1976, there was a survey in 1980, but this was unsuccessful.

See also

Related Research Articles

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<i>Eriocnemis</i> Genus of birds

Eriocnemis is a genus of hummingbirds, which - together with the species in the genus Haplophaedia - are known as pufflegs. They occur in humid forest, woodland and shrub at altitudes of 1000 to 4800 m. asl in the Andes of Argentina, Bolivia, Peru, Ecuador, Colombia, and Venezuela. The males have a colourful green, coppery or blue plumage, and the females are generally somewhat duller. The most striking feature of both sexes in the genus Eriocnemis are their dense snow-white leg-puffs which consist of feather tufts that resemble woolly panties. One species, the black-thighed puffleg - is characterized by black coloured leg-puffs. Most have a contrasting blue, purple or coppery-red vent, but this is green in the black-thighed and emerald-bellied puffleg. Further common features of all species are the straight black bill and the slightly to deeply forked tail. The genus name was coined by the German naturalist Ludwig Reichenbach who called them Snowy panties.

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<span class="mw-page-title-main">Coppery-bellied puffleg</span> Species of hummingbird

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

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<span class="mw-page-title-main">Glowing puffleg</span> Species of hummingbird

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<i>Haplophaedia</i> Genus of birds

Haplophaedia is a small genus of hummingbirds, which – together with the members of the genus Eriocnemis – are known as pufflegs. They are found at low levels in humid forest, woodland and shrub at 1200 to 3100 m altitudes. asl in the Andes of Bolivia, Peru, Ecuador, and Colombia. All species have a straight black bill, a coppery-green plumage, and a slightly forked dark blue tail. The leg-puffs are white in the greenish and hoary pufflegs, and buff-tinged in the buff-thighed puffleg.

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References

  1. BirdLife International (2020). "Eriocnemis godini". IUCN Red List of Threatened Species . 2020: e.T22687922A182244989. doi: 10.2305/IUCN.UK.2020-3.RLTS.T22687922A182244989.en . Retrieved 12 November 2021.
  2. "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. SACC Classification of Birds Archived 2013-04-10 at the Wayback Machine
  4. Graves, G.R. 1996. Diagnoses of hybrid hummingbirds (Aves: Trochilidae). 2. Hybrid origin of Eriocnemis soderstromi Butler. Proc. Biol. Soc. Wash. 109:764-769.
  5. RIDGELY, R. S. 2001. Journal für Ornithologie 142, 2001. Fig. 2. Distribution of Eriocnemis vestitus and E. nigrivestis, based on examined skins and literature data