7cy UA8 ,
Maasvlakte, the Netherlands, April 14 1999. Photo by Pim Wolf.
An adult bird ringed left orange
UA8, ringed at Maasvlakte July 8 1993. Those orange rings turn brownish after a few years. Note the large
white mirror on p10, which merges with the white tip via the white shaft.
The tips on the outer primaries are relatively small.
Maasvlakte, the Netherlands, April 05 1999. Photo by Pim Wolf.