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'Siberian' Chiffchaff, March-April 2012

'Siberian' Chiffchaff Phylloscopus (collybita) tristis, Brownstown Head, Co Waterford, 25 March-8 April 2012:
 
Bird was present near main garden, but silent and not identified, on 25 March. Identified as 'Siberian' Chiffchaff by Paul Archer on 27 March, when it was in main garden for most of the day. Seen well by PA & Killian Mullarney, heard calling ("eeph") but voice not recorded. In active moult, with upper tertials and central tail feathers missing and active moult on body. Sound-recorded (call) by PA on 29 March. Mist-netted & ringed on 1 April (aged as 1st-summer / 2nd-calendar-year on basis of contrast between retained juvenile and new adult-type greater coverts).
 
Mitochondrial cytb sequencing subsequently confirmed identification as tristis and details were published in British Birds in February 2013:
Collinson J.M., Shannon T., Archer P., Odin N., Riddington R. & Walsh P. 2013. Genetic analysis of migrant Siberian Chiffchaffs in Britain and Ireland. British Birds 106: 109-113.
 
Photos by Paul Archer, Killian Mullarney & PM Walsh, video by Micheal Cowming.  Added 28/03/2012, updated 02/04/2012
 
Sound-file of call (29/03/2012, PA):

tristis 29032012 (mp3)

Comparison calls:

Video: 1 April 2012 (MC)

sibechiff_brownstown_01042012_pmw_dscn1533.jpg
Siberian Chiffchaff, 1st-summer, Brownstown Head, 1 Apr 2012 PM Walsh

sibechiff_brownstown_01042012_pmw_dscn1528.jpg

sibechiff_brownstown_01042012_pmw_dscn1529.jpg
central tail-feathers still growing

sibechiff_brownstown_27032012_6457_crop.jpg
'Siberian' Chiffchaff, Brownstown Head, 27 Mar 2012 P Archer

sibechiff_brownstown_27032012_6480_crop.jpg

sibechiff_brownstown_27032012_6494_crop.jpg

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sibechiff_brownstown_27032012_6469_crop.jpg

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sibechiff_brownstown_27032012_6503_crop.jpg

sibechiff_brownstown_27032012_6509_crop.jpg

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K Mullarney

trististype_brownstown_km_27mar2012_0912.jpg

trististype_brownstown_km_27mar2012_0790.jpg

trististype_brownstown_km_27mar2012_0790.jpg

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trististype_brownstown_km_27mar2012_0943.jpg

trististype_brownstown_km_27mar2012_0948.jpg

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