Blue-headed Wagtail
A continental European subspecies of the Yellow Wagtail Motacilla flava. It has the scientific name M.f. flava, the British breeding subspecies being M.f. flavissima. The blue-headed subspecies has been recorded breeding in small numbers in Britain, mainly in south-east England.From Peter Weaver's Birdwatcher's Dictionary
Copyright © 1981 by Peter Weaver