Svartbak, Greater Black-backed Gull (Øra, Fredrikstad)

Svartbak, Great Black-backed Gull (Brentetangen, Rygge)

Svartbak, Great Black-backed Gull (Brentetangen, Rygge)

Svartbak, Great Black-backed Gull (Brentetangen, Rygge)

Svartbak, Great black-backed gull (Brentetangen, Rygge)

Svartbak, Great Black-backed Gull (Mølodden, Hvaler)

Svartbak, Great Black-backed Gull (Mølodden, Hvaler)

Svartbak, Great Black-backed Gull (Mølodden, Hvaler)