3872 Immature Swallow-tailed Gull (Creagrus furcatus), South Plaza Island, Galapagos

3872 Immature Swallow-tailed Gull (Creagrus furcatus), South Plaza Island, Galapagos

3872 Immature Swallow-tailed Gull (Creagrus furcatus), South Plaza Island, Galapagos