Figure 01: 7159508 (0/0) juvenile canus (1CY), hatched in Malmö, ringed June 1999, controlled 18 July 1999. Note pale, buffish greater coverts.
Figure from:
Is it possible to age subadult Mew Gulls Larus canus?
by: Kenneth Bengtsson & Lennarth Blomquist, publication in: Anser 2-42(2003): p 73-92.