Notes:
the Eurasian counterpart of North America's Black-billed Magpie (these two species formerly were considered conspecific); found in small groups in open countryside; no sexual dimorphism.
white primaries and scapulars in flight (Luxembourg; 2007-10-22)
iridescent bluish sheen on wings and tail (Northern Ireland; 2008-09-07)
large sturdy bill and strong legs (Norway; 2009-05-26)