Stock photography, photos: Boulders by the Sea Stock photos of Boulders by the Sea in Simonstown, the Cape Penisula, is home to a colony of Jackass penguins (Spheniscus demersus). Western Cape, South Africa. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: Jackass penguin, penguin, africa, south africa, bird, birds, african birds, Spheniscus demersus, cape peninsula, western cape