An adult common tern in breeding plumage glides on outstretched wings, showing pale grey upperwings with a darker outer primary wedge, a black cap and a red black-tipped bill against a plain blue sky. Photographed at Bull Island, Dublin, Ireland. Poster #905781456
An adult common tern in breeding plumage glides on outstretched wings, showing pale grey upperwings with a darker outer primary wedge, a black cap and a red black-tipped bill against a plain blue sky. Photographed at Bull Island, Dublin, Ireland. Poster #905781456
