Jim Welford:
Ring Billed Gull
Jim Welford:
Mediterranean Gull
Jim Welford:
Mediterranean Gull
Jim Welford:
Little Gull
Jim Welford:
Glaucous Gull, Larus hyperboreus
Jim Welford:
Grey-headed Gull Larus cirrocephalus
Jim Welford:
Slender-billed Gull Larus genei
Jim Welford:
Glaucous Gull, Larus hyperboreus
Jim Welford:
Laughing Gull
Jim Welford:
Caspian Gull Larus cachinnans
Jim Welford:
Caspian Gull Larus cachinnans
Jim Welford:
Caspian Gull Larus Cachinnans
Jim Welford:
Caspian Gull Larus cachinnans
Jim Welford:
Caspian Gull Larus cachinnans
Jim Welford:
Caspian Gull Larus cachinnans
Jim Welford:
Viking Gull L. hyperboreus × L. argentantus
Jim Welford:
Lesser black-backed gull Larus Fuscus
Jim Welford:
Viking Gull
Jim Welford:
Viking Gull
Jim Welford:
Caspian Gull Larus cachinnans