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Citrine wagtail

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Citrine wagtail
Male Weigold's citrine wagtail (M. c. calcarata) in breeding plumage
Keoladeo National Park, Bharatpur
(Rajasthan, India)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Motacillidae
Genus: Motacilla
Species:
M. citreola
Binomial name
Motacilla citreola
Pallas, 1776
Range of M. citreola
  Breeding
  Resident
  Non-breeding
Synonyms

Budytes citreola (Pallas, 1776)

The citrine wagtail (Motacilla citreola) is a small songbird in the family Motacillidae.

Etymology

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The term citrine, and the specific name citreola, refers to its yellowish colouration.

Taxonomy

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Its systematics, phylogeny and taxonomy are subject of considerable debate in the early 21st century. This is because this bird forms a cryptic species complex with the eastern (M. tschutschensis ) and western yellow wagtail (M. flava). Which of the many taxa in this group should properly refer to which population is unlikely to be resolved in the immediate future.[2]

Motacilla is the Latin name for the pied wagtail; although actually a diminutive of motare, " to move about", from medieval times it led to the misunderstanding of cilla as "tail". The specific citreola is Latin for "lemon yellow".[3]

Description

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It is a slender, 15.5–17 cm long bird, with the long, constantly wagging tail characteristic of the genus Motacilla. The adult male in breeding plumage is basically grey or black above, with white on the remiges, and bright yellow below and on the entire head except for the black nape. In winter plumage, its yellow underparts may be diluted by white, and the head is brownish with a yellowish supercilium. Females look generally like washed-out versions of males in winter plumage.

Distribution

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This species breeds in the central Palearctic in wet meadows and tundra. It migrates in winter to South Asia, often to highland areas. Its range is expanding westwards, and it is a rare but increasing vagrant to western Europe. Vagrants seem to extend the migration rather than straying en route; in Bhutan, for example, though along one of the species' migration flyways, the citrine wagtail has been recorded as an extremely rare passer-by rather than staying even for a few days or weeks.[4]

Ecology

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It is an insectivorous bird of open country near water, such as wet meadows and bogs, and nests on the ground, laying 4–5 speckled eggs.

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References

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  1. ^ BirdLife International (2019). "Motacilla citreola". IUCN Red List of Threatened Species. 2019: e.T22718379A154492004. doi:10.2305/IUCN.UK.2019-3.RLTS.T22718379A154492004.en. Retrieved 12 November 2021.
  2. ^ Voelker, Gary (2002). "Systematics and historical biogeography of wagtails: Dispersal versus vicariance revisited" (PDF). Condor. 104 (4): 725–739. doi:10.1650/0010-5422(2002)104[0725:SAHBOW]2.0.CO;2. JSTOR 1370694. S2CID 85844839. Archived from the original (PDF) on 2016-03-05. Retrieved 2013-03-21.
  3. ^ Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London, United Kingdom: Christopher Helm. pp. 109, 261. ISBN 978-1-4081-2501-4.
  4. ^ Inskipp, Carol; Inskipp, Tim & Sherub (2000). "The ornithological importance of Thrumshingla National Park, Bhutan" (PDF). Forktail. 14: 147–162.
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