Stock photography, photos: Sterna Hirundo Stock photos of Sterna Hirundo Photograph: © Esa Hiltula Click for a larger image and more information Keywords associated with this stock photo: Sterna Hirundo, common, tern, bird, white, grey, gray, water, lake, river, wings, tail, nature, fauna, plumage, wildlife, animal, standing, jetty, boards, droppings, Finland, Europe