Grass wren

The grass wren (Cistothorus platensis) is a species of passerine bird in the family Troglodytidae. It is widely distributed in central and southern America.

This article is about a species of bird from South and Central America. For the genus of Australian birds, see grasswren.

Grass wren
at Serra da Canastra National Park - MG - Brasil

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Troglodytidae
Genus: Cistothorus
Species:
C. platensis
Binomial name
Cistothorus platensis
(Latham, 1790)

The species was described in 1790 by the English ornithologist John Latham and given the binomial name Sylvia platensis.[2] The type locality is Buenos Aires, Argentina.[3] The current genus Cistothorus was introduced by the German ornithologist Jean Cabanis in 1850.[4] The grass wren and the sedge wren were formerly treated as conspecific. They were split based on the results of a molecular phylogenetic study published in 2014.[5][6] There are 17 recognised subspecies of the grass wren.[6]

Grass wrens build two types of non‐breeding nest structures: platforms and dummy nests. Platforms are rudimentary accumulations of grasses concealed between vegetation. Dummy and breeding nests are dome‐shaped with a similar structural layer. The function of these non-breeding nests is unclear, but an experimental study suggests that building non‐breeding nests may be an attempt by males to manipulate the decision of females to breed with a mate they might otherwise reject or to start reproduction earlier than optimal for the females.[7]

References
  1. BirdLife International (2016). "Cistothorus platensis". IUCN Red List of Threatened Species. 2016. Retrieved 30 December 2017.
  2. Latham, John (1790). Index Ornithologicus, Sive Systema Ornithologiae: Complectens Avium Divisionem In Classes, Ordines, Genera, Species, Ipsarumque Varietates (in Latin). Volume 2. London: Leigh & Sotheby. p. 548.
  3. Mayr, Ernst; Greenway, James C. Jr, eds. (1960). Check-list of Birds of the World. Volume 9. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 393.
  4. Cabanis, Jean (1850). Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt (in German). Volume 1. Halbertstadt: In Commission bei R. Frantz. p. 77.
  5. Robbins, Mark B.; Nyári, Árpád S. (2014). "Canada to Tierra del Fuego: species limits and historical biogeography of the Sedge Wren (Cistothorus platensis)". Wilson Journal of Ornithology. 126 (4): 649–662. doi:10.1676/13-162.1.
  6. Gill, Frank; Donsker, David, eds. (2017). "Dapple-throats, sugarbirds, fairy-bluebirds, kinglets, hyliotas, wrens & gnatcatchers". World Bird List Version 7.3. International Ornithologists' Union. Retrieved 29 December 2017.
  7. Llambías, Paulo Emilio; Jefferies, María Milagros; Apaza, Daniel Pascual Cáceres; Garrido, Paula Sabrina; Zarco, Agustín; Arrieta, Ramiro Santiago; Bender, José Benjamin (2020). "Building multiple nests is associated with reduced breeding performance in a south temperate population of Grass Wrens Cistothorus platensis platensis". Ibis. 162 (1): 75–89. doi:10.1111/ibi.12722. ISSN 1474-919X.

Further reading


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