From the Rarities Committee's files: 'Black-headed Wagtail' in Essex in 1999 – a suspected feldegg intergrade
01 June 2003
Main paper
ABSTRACT A record of `Black-headed Wagtail' Motacilla flava feldegg at Maylandsea, Essex, in May-June 1999, is discussed.The presence of a thin supercilium, in front of and behind the eye, suggests that this individual was perhaps most likely ...
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