LBBG & michahellis E051 May 30 2000, Maasvlakte (Naaktstrand) the Netherlands. 

An adult female michahellis, ringed on the Maasvlakte left orange E051 and a metal ring on right leg. This bird was ringed as adult at the nest July 1995. Compared to Dutch intergrade, the back is  much paler grey and (in this individual) the mirror on P10 is connected to tip. At the Maasvlakte, mixed pairs of michahellis x graellsii were counted 9 times, while mixed pairs of michahellis x argenteus were counted 6 times in year 2000. Another mixed pair was photographed in 2002.