IDKJ was ringed on 26/06/2004 at Corsica, France. The first photo was taken 21/06/2006, at Castellabate, Italy, The bird is now in 2nd summer plumage (3cy).

Two images below: Audouin's Gull (Ichtyaetus audouinii) 4cy, IDKJ, 17/07/2007, Ischia.

IDKJ, here one year after: 17/07/2007, at Ischia (NA), now in 3rd summer plumage (4cy: dark primaries, some black on alula). In the second image: also greater and lesser primary coverts have dark at tips.

Two images below: Audouin's Gull (Ichtyaetus audouinii) 5cy, IDKJ, 10/07/2008, Ischia.

IDKJ, here one year later: 10/07/2008, Ischia, Italy. Now full adult in its 4th summer, normal white tips on primaries, colour of bill tip not visible (breeding).