LBBG 4cy ER49 , Westkapelle, the Netherlands, October 26 1999. Photo by Pim Wolf.

A sub-adult bird ringed left green ER49. Primary moult score of 38 with p7 fully grown and p10 still old. An individual born at the Maasvlakte, the Netherlands, ringed as pullus June 26 1996. Note the all white tail, the adult-like wing-coverts combined with a predominantly black bill.