Silvered antbird

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Silvered antbird
Sclateria naevia - Silvered antbird (male), Manacapuru, Amazonas, Brazil.jpg
male
Sclateria naevia Silvered Antbird (female), Canutama, Amazonas, Brazil.jpg
female
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Sclateria
Oberholser, 1899
Species:
S. naevia
Binomial name
Sclateria naevia
(Gmelin, JF, 1788)
Sclateria naevia map.svg
Synonyms

Sitta naevia
Herpsilochmus argentatus

The silvered antbird (Sclateria naevia) is a passerine bird in the antbird family, the only member of the genus Sclateria. It is a resident breeder in tropical South America from central Brazil to Colombia and Trinidad and south to Peru and Bolivia.

Contents

Taxonomy

The silvered antbird was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae . He placed it with the nuthatches in the genus Sitta and coined the binomial name Sitta naevia. [2] [3] Gmelin based his description of the "wall-creeper of Surinam" that had been described and illustrated in 1764 by the English naturalist George Edwards in his Gleanings of Natural History. Edwards's specimen was preserved in spirits. It had been presented to the physician John Fothergill. [4] The silvered antbird is now the only species placed in the genus Sclateria that was introduced in 1899 by the American ornithologist Harry C. Oberholser. The genus name was chosen to honour the ornithologist Philip Sclater. [5] [6] The specific epithet is from the Latin naevius meaning "spotted". [7]

Four subspecies are recognised: [6]

Sacha Lodge - Ecuador (flash photo) Silvered Antbird.jpg
Sacha Lodge - Ecuador (flash photo)

Description

The silvered antbird is typically 15 cm long, and weighs 20 g. The adult male of the nominate northern form S. n. naevia has dark grey upperparts and dusky wings with two rows of white spots. The underparts are white, extensively and broadly streaked with grey. The female has dark brown upperparts, with buff wing spots and extensively grey-streaked underparts. [8]

Males of the distinctive Amazonian subspecies S. n. argentata have the flanks and upper chest grey-white with grey mottling, and the females have white central underparts with rufous sides to the head, neck and body. [8]

The silvered antbird has a loud pi-pi-pi-pi-pi-pi-pi call, often the first indication of its presence in its difficult habitat. [8]

Distribution and habitat

This is a skulking terrestrial bird of wet shaded areas, such as in undergrowth or under overhanging vegetation near streams, lagoons or swamps. It is usually found in pairs, foraging on the ground for small insects and other arthropods taken from leaf litter or the water's surface.

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References

  1. BirdLife International (2018). "Sclateria naevia". IUCN Red List of Threatened Species . 2018: e.T22701749A130216220. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22701749A130216220.en . Retrieved 13 November 2021.
  2. Gmelin, Johann Friedrich (1788). Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Vol. 1, Part 1 (13th ed.). Lipsiae [Leipzig]: Georg. Emanuel. Beer.
  3. Peters, James Lee, ed. (1951). Check-List of Birds of the World. Vol. 7. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 228.
  4. Edwards, George (1764). Gleanings of Natural History, Exhibiting Figures of Quadrupeds, Birds, Insects, Plants &c. Vol. 3. London: Printed for the author. pp. 284–285, Plate 346.
  5. Oberholser, Harry C. (1899). "Some untenable names in ornithology". Proceedings of the Academy of Natural Sciences of Philadelphia. 51: 201–216 [209-210].
  6. 1 2 Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (January 2023). "Antbirds". IOC World Bird List Version 13.1. International Ornithologists' Union. Retrieved 15 March 2023.
  7. Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 265. ISBN   978-1-4081-2501-4.
  8. 1 2 3 Zimmer, K.J.; Isler, M.L. (2003). "Family Thamnophilidae (typical antbirds)" . In del Hoyo, J.; Elliott, A.; Christie, D.A. (eds.). Handbook of the Birds of the World. Vol. 8: Broadbills to Tapaculos. Barcelona: Lynx Edicions. pp. 448-681 [648]. ISBN   978-84-87334-50-4.