Five 2cy Larus fuscus with juvenile primaries 10.6.2007

Larus fuscus
Bird 1. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 2. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 2. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 2. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Juvenile tail, secondaries and primaries (p1-2 just shed). Foto: Hannu Koskinen

Larus fuscus
Bird 3. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 4. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 4. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 4. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. P1-8 are 2nd generation, p9 and 10 are juvenile. Foto: Hannu Koskinen

Larus fuscus
Bird 5. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 5. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Foto: Hannu Koskinen

Larus fuscus
Bird 5. 2cy Larus fuscus at Tara, SW Finland 10.6.2007. Tail is 2nd generation. Primaries are juvenile; p1-2 missing.
Secondaries are mostly 2nd gen., but there are still a few juv feathers mixed. Foto: Hannu Koskinen