Bocca della Verita (Mouth of Truth), a marble mask at Santa Maria in Cosmedin church in Rome, Lazio, Italy, Europe

Caribbean reef shark swallowing a lionfish, with mouth open and eyelids closed, Jardines De La Reina, Cuba.

Detail of the carved facade at one of the temples in Angkor Wat complex, UNESCO World Heritage Site, Cambodia, Indochina, Southeast Asia, Asia

Alligator in The Everglades, Florida, USA

Grey Seal (Halichoerus grypus) pup portrait head shot with eyes closed and mouth open, taken on rocky beach in the west coast of Scotland. Mull of Kintyre near Campbeltown, Argyll, Scotland, UK

Giant Moray Eel, (Gymnothorax javanicus), detail of head with mouth closed, Tahiti, French Polynesia

Eider Barrier on the mouth of River Eider near Toenning - largest German coastal protection building, Schleswig-Holstein, Germany

Monkey figures, symbols, Chinatown, San Francisco, California, USA, North America

close up woman holding mirror

Newly born leopard cubs, Panthera pardus, lie together between roots and mud walls, one cub opens it mouth with closed eyes, Sabi Sands, Greater Kruger National Park, South Africa

Portrait of Nile Crocodile on the bank, Chobe Botswana]