Peruvian wren

The Peruvian wren (Cinnycerthia peruana) is a species of bird in the family Troglodytidae. It is endemic Peru.[2]

Peruvian wren
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Passeriformes
Family: Troglodytidae
Genus: Cinnycerthia
Species:
C. peruana
Binomial name
Cinnycerthia peruana
(Cabanis, 1873)

Taxonomy and systematics

What is now the Peruvian wren was formerly called sepia-brown wren and at that time included as subspecies what are now the species Cinnycerthia olivascens and C. fulva.[3] Confusingly, after the split the name sepia-brown wren was transferred to C. olivascens by the International Ornithological Committee (IOC), but the South American Classification Committee of the American Ornithological Society (SACC/AOS) and the Clements taxonomy call it Sharpe's wren. C. fulva is named fulvous wren.[2][4][5]

The Peruvian wren is monotypic.[2]

Description

The Peruvian wren is 15.5 to 16 cm (6.1 to 6.3 in) long and weighs 19.6 g (0.69 oz). The adults' upperparts are rich chestnut, with the crown and rump being redder. They have a variable amount of white on the face. The tail is also rich chestnut and has narrow black bars. The chin and throat are orange-brown and the chest, belly, and flanks are the same hue but darker. The juvenile is believed to resemble the adult but with no white on the face.[3]

Distribution and habitat

The Peruvian wren is found in the Andes of Peru between the departments of Amazonas and Ayacucho. It inhabits wet montane forest, secondary forest, and their edges. In elevation it ranges from 1,500 to 3,300 m (4,900 to 10,800 ft).[3]

Behavior

Feeding

The Peruvian wren forages in groups that appear to be extended families. It usually feeds on or near the ground in vegetation and litter, but its diet has not been documented.[3]

Breeding

The Peruvian wren appears to have a protracted breeding season, base on the dates that occupied nests, newly hatched chicks, and fledglings have been observed. One nest has been described; it was a pouch with a down-facing entrance tunnel, constructed of rootlets, moss, and bamboo leaves, and suspended from a bamboo stem.[3]

Vocalization

Peruvian wren pairs often sing in duet, "a magnificent series of rich trills and clear whistles" . Its call is "a gravelly, chattering 'ch-d-d-d'" .[3]

Status

The IUCN has assessed the Peruvian wren as being of Least Concern.[1] It is "[q]uite common in suitable habitat in parts of its range"[3] but its "population is suspected to be in decline owing to ongoing habitat destruction and fragmentation."[1]

References
  1. BirdLife International (2016). "Peruvian Wren Cinnycerthia peruana". IUCN Red List of Threatened Species. 2016. Retrieved 2 June 2021.
  2. Gill, F.; Donsker, D.; Rasmussen, P. (January 2021). "IOC World Bird List (v 11.1)". Retrieved January 14, 2021.
  3. Kroodsma, D. E. and D. Brewer (2020). Peruvian Wren (Cinnycerthia peruana), 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.perwre1.01 retrieved June 2, 2021
  4. 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 23 May 2021. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved May 24, 2021
  5. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ Retrieved August 15, 2019
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