Species of Thailand
Western yellow wagtail
Binomial name: Motacilla flava, Carolus Linnaeus, 1758
The western yellow wagtail (Motacilla flava) is a small passerine in the wagtail family Motacillidae, which also includes the pipits and longclaws.
This species breeds in much of temperate Europe and Asia. It is resident in the milder parts of its range, such as western Europe, but northern and eastern populations migrate to Africa and south Asia.
It is a slender 15–16 cm long bird, with the characteristic long, constantly wagging tail of its genus. It is the shortest tailed of the European wagtails. The breeding adult male is basically olive above and yellow below. In other plumages, the yellow may be diluted by white. The heads of breeding males come in a variety of colours and patterns depending on subspecies.
The call is a characteristic high-pitched jeet.
This insectivorous bird inhabits open country near water, such as wet meadows. It nests in tussocks, laying 4-8 speckled eggs.
This species' systematics and phylogeny is extremely confusing. Literally dozens of subspecies have been described at one time or another, and some 15-20 are currently considered valid depending on which author reviews them. In addition, the citrine wagtail (M. citreola) forms a cryptic species complex with this bird; both taxa as conventionally delimited are paraphyletic in respect to each other. The populations of the Beringian region are sometimes separated as eastern yellow wagtail (M. tschutschensis).
The nominate blue-headed wagtail and yellow wagtail form a narrow hybrid zone in northern France. Birds from this zone vary in appearance, but one type, which resembles nominate blue-headed wagtail (except that the blue tones to the head are paler and more mauve and the white of the head is more extensive, particularly on the throat, ear-coverts, and supercilium) is colloquially referred to as Channel wagtail.
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Videos of Western yellow wagtail
- Motacilla flava
Motacilla flava beema, William Henry Sykes, 1832
Common name: Sykes' wagtail
Range: Like flava but head lighter grey, ears washed white; sexes often similar. Breeding: North of lutea, east to Ladakh area. Winter: Indian subcontinent, also east Africa and adjacent Arabia.
Motacilla flava cinereocapilla, Paolo Savi, 1831
Common name: Ashy-headed wagtail
Range: Like iberiae but supercilium absent or vestigial. Breeding: Sicily, Sardinia, Italy, Slovenia. Winter: coastal Tunisia and Algeria, Mali to Lake Chad.
Motacilla flava feldegg, Georg Christian Karl Wilhelm Michahelles, 1830
Common name: Black-headed wagtail
Range: Like thunbergi but black cap in males, females like a dull thunbergi male above, very washed-out dirty yellowish below, throat white. Breeding: Balkans east to the Caspian Sea, south to Turkey, Iran and Afghanistan; also Levant. Winter: central Africa from Nigeria to Uganda and south Sudan.
Motacilla flava flava, Carolus Linnaeus, 1758
Common name: Blue-headed wagtail
Range: Blue-grey head with white supercilium and malar stripe in males, much washed with buffish green in females. Breeding: southern Scandinavia to France and central European mountain ranges, east to Urals. Winter: sub-Saharan Africa.
Motacilla flava flavissima, Edward Blyth, 1834
Common name: Tellow-crowned wagtail
Range: Yellow-green head with a brighter yellow supercilium. Females markedly paler below than males. Breeding: Britain and English Channel coast. Winter: Africa.
Motacilla flava iberiae, Ernst Johann Otto Hartert, 1921
Common name: Iberian yellow wagtail
Range: Like flava, but throat white and grey darker, almost black behind eyes. Breeding: south-eastern France, Iberia, Maghreb from Tunisia to Banc d'Arguin. Winter: The Gambia to the Central African Republic.
Motacilla flava leucocephala, Nikolay Mikhaylovich Przhevalsky, 1887
Common name: White-headed yellow wagtail
Range: Male like flava, but grey of head very pale, almost white. Female like flava females, but head somewhat darker. Breeding: North-west Mongolia and adjacent PRC and Russia. Winter: probably India.
Motacilla flava lutea, Samuel Gottlieb Gmelin, 1774
Common name: Yellow-headed wagtail
Range: Head yellow with green neck in males, females like a somewhat more vivid flava female. Breeding: Lower Volga to Irtysh River and Lake Zaysan. Winter: Africa and Indian subcontinent.
Motacilla flava melanogrisea, Eugen Ferdinand von Homeyer, 1878
Common name: Turkestan black-headed wagtail
Range: Similar to feldegg, but white malar stripe and sometimes green neck. Breeding: Volga Delta east around Caspian Sea to northern Afghanistan. Winter: Pakistan and north-west India to western Nepal, possibly also north-eastern Africa.
Motacilla flava plexa, John Eliot Thayer & Outram Bangs, 1914
Common name: North Siberian yellow wagtail
Range: Males like thunbergi but ears darker, top of head lighter, vestigial supercilium. Females like dull males. Breeding: Siberia between Khatanga and Kolyma Rivers. Winter: India, southe-east Asia.
Motacilla flava pygmaea, Alfred Edmund Brehm, 1854
Common name: Egyptian yellow wagtail
Range: Similar to cinereocapilla, smaller, less bright. Nile delta and lower Nile, resident all year.
Motacilla flava thunbergi, Gustaf Johan Billberg, 1828
Common name: Dark-headed wagtail, grey-headed wagtail
Range: Head dark grey, reaching down to the cheeks, and without white in males; lighter and washed greenish, with vestigial greenish supercilium in females. Breeding: central and northern Scandinavia east to north-west Siberia. Winter: eastern Africa, Indian subcontinent, Southeast Asia.
- Motacilla tschutschensis
Least Concern (IUCN3.1)
Range map of Motacilla flava in Thailand
Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.
Special thanks to Ton Smits and Parinya Pawangkhanant for their help with many range data.
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