torsdag 23. mai 2013

Herring Gull J2877

P8 hidden behind P9. 26.02.2011
Same bird 2 years later. 30.03.2013
This bird is interesting. Note how the marking on both P9 and P5 evolves. P9 shows a window 2 years later, and P5 shows extensive black markings. Sadly not a bird with known age.