Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Reidora Larus ridibundus Black-headed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota de Delaware Larus delawarensis Ring-billed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Sombria Larus fuscus Black-backed Gull
Gaviota Patiamarilla Larus michahellis Yellow-legged Gull
http://www.seo.org/media/fotos/Observacion_7701.jpg