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Modtag Roadrunner - læs mere her



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Billede:


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Billede information:
Fugleart: Gul Vipstjert - (Motacilla flava) - Western Yellow Wagtail
Fugleart (IOC): Gul Vipstjert (Motacilla flava) Western Yellow Wagtail - species factsheet
Stemme: Stemmer findes her (eksternt link).
Titel / info: "Superciliaris" Yellow Wagtail
Lokalitet: Škocjanski zatok (KP), Slovenien
Dato: 18. marts 2011
Billede info: A "superciliaris" type Yellow Wagtail
Billede opsætning: Nikon Coolpix P6000 hand-held on Zeiss Diascope 85
Fotograf: Domen Stanic, Italien
Uploadet den: 17. april 2011
Hits: Billedet har været vist 1687 gange.
DK List Ranking: Set af 1038 ud af totalt 1469 personer!
En oversigt over forekomsten af denne art i Danmark findes her: [fund oversigt].



Kommentarer:

Jan Jörgensen skriver tirsdag 19. april 2011 kl. 20.48
Yellow Wagtail systematics is complicated to say the least! But some speculations over your Yellow Wagtail, which might not be the wholly thruth so to speak!
There´s a wide agreement that 'dombrowskii'-'xanthophrys' and 'superciliaris' are integrades - with 'superciliaris' and 'dombrowskii' coming from a wide area of intergradiation between feldegg and flava - 'superciliaris' probably also between feldegg and beema/feldegg and cinereocapilla, with 'xanthoprhys' being a rather rare intergrade between feldegg and lutea or feldegg and flava or beema.

The somehow greyish crown on your bird Domen might perhaps suggest type 'dombrowskii'(or something else), since 'superciliaris' usually has a black/ish crown.

type superciliaris

perhaps instead 'xanthophrys' over 'superciliaris' since supercilium is yellow and not white as in 'superciliaris.

JanJ





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