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Specimen of the

American Buff-bellied Pipit Anthus r. rubescens - page q3


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01 American Buff-bellied Pipit Anthus r. rubescens 10102011 30 Rotterdam, The Netherlands c Norman Deans van SWELM


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02 American Buff-bellied Pipit Anthus r. rubescens 10102011 Rotterdam, The Netherlands c Norman Deans van SWELM


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03 American Buff-bellied Pipit Anthus r. rubescens 23112011 0335 Brouwersdam, The Netherlands c Norman Deans van SWELM


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04 American Buff-bellied Pipit Anthus r. rubescens 23112011 0340 Brouwersdam, The Netherlands c Norman Deans van SWELM


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05 American Buff-bellied Pipit Anthus r. rubescens 23112011 0340 Brouwersdam, The Netherlands c Norman Deans van SWELM


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06 American Buff-bellied Pipit Anthus r. rubescens 23112011 0347 Brouwersdam, The Netherlands c Norman Deans van SWELM


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07 American Buff-bellied Pipit Anthus r. rubescens 23112011 0352 Brouwersdam, The Netherlands c Norman Deans van SWELM


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08 American Buff-bellied Pipit Anthus r. rubescens 23112011 0357 Brouwersdam, The Netherlands c Norman Deans van SWELM


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09 American Buff-bellied Pipit Anthus r. rubescens 23112011 0359 Brouwersdam, The Netherlands c Norman Deans van SWELM


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10 American Buff-bellied Pipit Anthus r. rubescens 23112011 0362 Brouwersdam, The Netherlands c Norman Deans van SWELM


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11 American Buff-bellied Pipit Anthus r. rubescens 23112011 0366 Brouwersdam, The Netherlands c Norman Deans van SWELM



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12 American Buff-bellied Pipit Anthus r. rubescens 23112011 0372 Brouwersdam, The Netherlands c Norman Deans van SWELM


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13 American Buff-bellied Pipit Anthus r. rubescens 23112011 0374 Brouwersdam,The Netherlands c Norman Deans van SWELM


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14 American Buff-bellied Pipit Anthus r. rubescens 23112011 Brouwersdam, Netherlands c Norman Deans van SWELM


a - White Wagtails
b - White Wagtails
c - White Wagtails

d - Pied Wagtail Motacilla alba yarrellii

e - Transbaicalian White Wagtail Motacilla alba baicalensis
ee - White wagtail Hybridisation
  The mysterious ways of the yellow wagtails A-B-C-D-E-F-G-H-I
f - Blue-headed Yellow Wagtail Motacilla flava flava - A
g - Blue-headed Yellow Wagtail Motacilla flava flava - B
h - Blue-headed Yellow Wagtail Motacilla flava flava - C
i - British Yellow Wagtail Motacilla flava flavissima - D
j - Grey-headed Yellow Wagtail Motacilla flava thunbergi - E
- Italian OR Ashy-headed Yellow Wagtail Motacilla flava cinereocapilla - F
l - Spanish Yellow Wagtail Motacilla flava iberiae  - G
m - Sykes' Yellow Wagtail Motacilla flava beema - H
n - Black-headed Wagtail Motacilla flava feldegg
o - Eastern Yellow Wagtail Motacilla flava tschutschensis - I
p - Citrine Wagtails                                                       
q - American Buff-bellied Pipit
q1-2-3 - Water & Rock Pipit
Siberian Buff-bellied Pipit Anthus r.japonicus
   

NAVIGATIONPAGE  ALL CHAPTERS  RADIOACTIVE ROBINS

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OR:


RECAP: THE MYSTERIOUS WAYS OF YELLOW WAGTAILS...
 
Under favourable weather conditions Western Europe can expect influxes of a variety of representatives of the Yellow Wagtail Motacilla flava Complex which is described in great detail by Per Ahlström & Krister Mild in the monograph Pipits & Wagtails of Europe, Asia and North America (publ.by Christopher Helm).
 
In a good spring with persistent SE winds between the middle of April and the middle of May large numbers of Yellow wagtails arrive in the Rhine-Meuse delta, here in the SW Netherlands where we live. The majority of the birds arriving in April are nominate Blue-headed Wagtails Motacilla f. flava whereas in May northern Grey-headed Wagtails Motacilla f. thunbergi gradually take over. In between these two others such as Yellow Wagtails Motacilla f. flavissima of which small numbers breed locally,as well as individual Black-headed Wagtails Motacilla f. feldegg, Citrine Wagtails Motacilla citreola, birds resembling Sykes' Wagtail Motacilla f. beema, and forms such as 'Dombrowski' and 'Superciliaris' appear on passage.
 
Interestingly the groups of migrants consist mainly of males as the females seem to arrive on an individual ticket. May be this explains the paucity of published pictures of females. In The Netherlands two races breed, the nominate being the commonest while small numbers of flavissima breed in the West of the country in both cultivated areas and saltmarshes. No case of hybridisation between flava and flavissima has ever been reported here and in any case would be very difficult to proof without the help of colour-ringing individuals and close observation of pairs.
 
In Birding World (Vol) 20: 104-112 March 2007, Philippe Dubois describes the confusing situation on the French side of the English Channel where he claims multiple hybridisation between Blue-headed nominate and Yellow Wagtail  which he calls 'Channel Wagtail'; nominate x Spanish Wagtail M.f.iberiae: 'Middlewest' Wagtail; Spanish Wagtail x Italian Wagtail M.f.cinereocapilla: 'Mediterranean' Wagtail; and Italian Wagtail x nominate flava which he calls 'Eastern Wagtail'.
By means of this complex hybridisation scheme he explains why some individuals look like f.i. Sykes Wagtail Motacilla f. beema but are in fact according to him a cross between flava and flavissima so-called 'Channel Wagtail'. This does not make recognising true eastern or southern vagrants which do occur any easier. In fact, if you accept this view, to separate a real vagrant from a Channel look-alike is impossible!