Stock photography, photos: Herons on a Tree Stock photos of Herons on a Tree Photograph: © Pedro Luz Cunha Click for a larger image and more information Keywords associated with this stock photo: ANIM000020,animals, birds, heron, tree,herons,egrets,Great White Heron, Egret, bird, animal, tree, wildlife, nest, nesting, Egretta, alba, Egretthegre,nature,horizontal