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Citrine Wagtail

From Opus

Adult male M. c. citreola Photo by scottishdudeLesvos, Greece, April 2012
Adult male M. c. citreola
Photo by scottishdude
Lesvos, Greece, April 2012
Motacilla citreola

Contents

[edit] Identification

Adult male M. c. calcarataPhoto by Alok Tewari Basai Wetlands, Gurgaon, India, May-2014
Adult male M. c. calcarata
Photo by Alok Tewari
Basai Wetlands, Gurgaon, India, May-2014

Length 15.5-17 cm (6-6¾ in), weight 18-25 g.
A wagtail with a medium-length tail, and two very noticeable white bars on wing coverts.
Summer male: Lemon-yellow head, black hind collar and blue or slate-grey upperparts. Bright yellow below.
Female and winter male are much duller, with strong yellow only on face and chest, and light yellowish on belly.
Juvenile and first winter are even duller, with little or no yellow tones at all.

[edit] Similar Species

Yellow Wagtail, which lacks the grey back. Juveniles can resemble juvenile White Wagtails, but lack the black face and breast markings and usually have stronger white wingbars.

[edit] Distribution

Female M. c. calcarataPhoto by Alok Tewari Basai Wetlands, Gurgaon, India, May-2014
Female M. c. calcarata
Photo by Alok Tewari
Basai Wetlands, Gurgaon, India, May-2014

Citrine Wagtail has a breeding distribution from Russia through Siberia, and south to northern Iran, Afghanistan, India, Tibet, China, and Myanmar. In recent decades it has colonised slowly westward, and now breeds in small numbers in Finland, the Baltic States, Belarus, and Poland.

The species is migratory over most of its range, and is a rare but regular guest to western Europe, mainly in early autumn, but also a few spring records; there are also wintering and spring passage records from northwest Africa.

Vagrant to South Africa with one record from the Eastern Cape, and the United States with one record in Mississippi.

[edit] Taxonomy

A recent paper by Pavlova et al. (2003)[1] has proposed that Citrine wagtail should be split into two species, an eastern and a western part[2]. The evidence came from DNA analysis and indicated that when an analysis included Yellow Wagtail, the two populations of Citrine wagtail were not each others closest relatives. This split is not at present accepted by many taxonomic authorities but if it were to become accepted, the western species (corresponding to the western portions of the breeding ranges of subspecies M. c. citreola and M. c. werae) would breed west and south of a line from a little east of the west end of Mongolia to the White Sea, while the eastern species (corresponding to the eastern portions of their breeding ranges) would be confined to areas north and east of that line. The authors did not sample from the range of M. c. calcarata.

[edit] Subspecies

Immature M. c. calcarataPhoto by Alok Tewari Okhla Bird Sanctuary, India, Jan-2013
Immature M. c. calcarata
Photo by Alok Tewari
Okhla Bird Sanctuary, India, Jan-2013

There are two[2] or three[3] subspecies:

  • Breeding male with grey rump and mantle and black collar; greater coverts grey with broad white tips
  • Breeding male as M. c. citreola but slightly paler overall and with less dark collar. Treated as a synonym of M. c. citreola by IOC[2]
  • Breeding male with wholly black rump and mantle; greater coverts largely white giving a white wing panel

Females and immatures are not currently known to be identifiable to subspecies. All three subspecies winter mixed together in southern Asia, from southern Iran through Pakistan and northen India to northern Thailand and southern China.

Three other subspecies have been described but are not generally accepted, with M. c. quassitrix considered a synonym of M. c. citreola, M. c. sindzianicus a synonym of M. c. werae, and M. c. weigoldi a synonym of M. c. calcarata[4].

[edit] Habitat

JuvenilePhoto by the late Jim WoodShetland, UK, October 2013
Juvenile
Photo by the late Jim Wood
Shetland, UK, October 2013

Wet meadows, tundra, bogs.

[edit] Behaviour

Less inclined to bob the head or wag the tail than other wagtails.

[edit] Breeding

It is a ground nester and 4-5 speckled eggs are laid.

[edit] Diet

The diet includes insects.

[edit] Vocalisation

Call often similar to Yellow Wagtail, but can be a bit harsher:


Listen in an external program

[edit] References

FemalePhoto by PavlikThe Saratov area, Russia, May 2004
Female
Photo by Pavlik
The Saratov area, Russia, May 2004
  1. Pavlova, A., Zink, R. M., Dvoretsky, S. V., Red'kin, Y., & Rohwer, S. (2003). Phylogeographic Patterns in Motacilla flava and Motacilla citreola: Species Limits and Population History. The Auk 120 (3): 744–758
  2. Gill, F and D Donsker (Eds). 2017. IOC World Bird Names (version 7.1). Available at http://www.worldbirdnames.org/.
  3. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  4. Del Hoyo, J, A Elliot, and D Christie, eds. 2004. Handbook of the Birds of the World. Volume 9: Cotingas to Pipits and Wagtails. Barcelona: Lynx Edicions. ISBN 978-8487334696
  5. Wikipedia
  6. Collins Field Guide 5th Edition
  7. Collins Bird Guide ISBN 0 00 219728 6

[edit] External Links


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