Glaucous gull

Gaivota-hiperbórea, juvenil e adulto - Glaucous Gull, juvenile and adult - Larus hyperboreus (Peniche, Portugal)
Gaivota-hiperbórea - Glaucous Gull - Larus hyperboreus (Peniche, Portugal)
Gaivota-hiperbórea - Glaucous Gull - Larus hyperboreus (Peniche, Portugal)
Gaivota-hiperbórea, juvenil - Glaucous Gull, juvenile - Larus hyperboreus (Peniche, Portugal)