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Grass wren

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Grass wren
at Serra da Canastra National Park - MG - Brasil
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Troglodytidae
Genus: Cistothorus
Species:
C. platensis
Binomial name
Cistothorus platensis
(Latham, 1790)

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

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). Vol. Volume 2. London: Leigh & Sotheby. p. 548. {{cite book}}: |volume= has extra text (help)
  3. ^ Mayr, Ernst; Greenway, James C. Jr, eds. (1960). Check-list of Birds of the World. Vol. Volume 9. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 393. {{cite book}}: |volume= has extra text (help)
  4. ^ Cabanis, Jean (1850). Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt (in German). Vol. Volume 1. Halbertstadt: In Commission bei R. Frantz. p. 77. {{cite book}}: |volume= has extra text (help)
  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. ^ a b 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