Hlava keporkaka (Megaptera novaeangliae, angl.humpback whale) z boku v Platypus Bay, Queensland, Australia Fritz Geller-Grimm [CC BY-SA 2.5 (https://creativecommons.org/licenses/by-sa/2.5)].

Hlava keporkaka (Megaptera novaeangliae, angl.humpback whale) z boku v Platypus Bay, Queensland, Australia Fritz Geller-Grimm [CC BY-SA 2.5 (https://creativecommons.org/licenses/by-sa/2.5)].