An adult European shag (Gulosus aristotelis), showing its recurved crest, yellow gape and green eye, swims at the surface. Photographed off Ireland's Eye, Dublin, Ireland. Poster #900271964
An adult European shag (Gulosus aristotelis), showing its recurved crest, yellow gape and green eye, swims at the surface. Photographed off Ireland's Eye, Dublin, Ireland. Poster #900271964
