1350-6535 - Split shot of a Basking Shark (Cetorinus Maximus) in Gunna Sound, Isle of Colll, Scotland. It's mouth is gaping as it feeds. Clouds are lit with the setting sun in the background.

1116-51277 - A brown bear (Ursus arctos) about to catch a salmon in its mouth at the top of Brooks Falls, Alaska. The fish is only a few inches away from its gaping jaws. Shot with a Nikon D800 in Alaska; Kodiak, Alaska, United States of America

1350-2430 - Manta ray, Manta birostris, feeding at night, Kailua-Kona, Big Island, Hawaii

1349-1257 - Florida Cottonmouth

1116-46927 - A Brown Bear (ursus arctos) about to catch a salmon in it's mouth at the top of Brooks Falls, Alaska. The fish is only a few inches away from its gaping jaws. Shot with a Nikon D800 in July 2015, Alaska, United States of America

1116-44272 - Chum Salmon (Oncorhynchus Keta) Spawning, Underwater View In An Alaskan Stream During Summer.

1116-40305 - Yawning Hippopotamus (Hippopotamus Amphibius) At Serengeti National Park, Tanzania

1176-150 - Fingal's Cave, the hexagonal mouth of the cave with the heather-covered slopes of Mull behind, Argyll and Bute, Scotland, United Kingdom, Europe

832-112233 - Ice floes on the Baltic Sea off Stein, Probstei, Ploen district, Schleswig-Holstein, Germany, Europe

1108-6 - Puffin with gaping beak, Wales, United Kingdom, Europe

1108-12 - Puffin with gaping beak showing almost parallel articulation, Wales, United Kingdom, Europe

1108-8 - Puffin with gaping beak showing barbs in roof of beak, Wales, United Kingdom, Europe

911-9333 - A gaping hole left where a massive block of ice detached causing an avalanche on Machapuchare (Fishtail Peak) in the Annapurna Himalaya, Nepal, Asia

1116-37873 - Hawaii, Big Island, Kona, manta ray feeds (Manta birostris) front view A86C

1116-31765 - Australia, The threat display of the frilled lizard (Chlamydosaurus kingii).

1116-33315 - Hawaii, Big Island, Kona, Whale Shark (Rhiniodon typus) with mouth wide open

978-50 - Coral Grouper (Cephalopholis miniata) being cleaned by a BruunÌs Cleaning Partner Shrimp (Urocaridella aontonbruunii) this incredible gaping action allows the shrimp uninhibited access to the mouth and gills. Red Sea.

978-57 - Coral Grouper (Cephalopholis miniata) being cleaned by a BruunÃs Cleaning Partner Shrimp (Urocaridella aontonbruunii) this incredible gaping action allows the shrimp uninhibited access to the mouth and gills.Red Sea.

978-51 - Coral Grouper (Cephalopholis miniata) being cleaned by a BruunÌs Cleaning Partner Shrimp (Urocaridella aontonbruunii) this incredible gaping action allows the shrimp uninhibited access to the mouth and gills. Red Sea.

920-2804 - Ribbon eel (Rhinomuraena quaesita), Atlantis house reef, Dumaguete, Negros Island, Philippines, Southeast Asia, Asia

987-254 - guillemot, uria aalge, yawning, aberdeenshire, scotland

700-11693 - French Polynesia, Colorful Fishes Of The Lagoon Just Caught

6-2960 - Twenty four foot saltwater crocodile (Crocodilus porosus), Hartleys Creek, Queensland, Australia, Pacific

76-2175 - Fantastic sculptures, Villa Orsini, Vierbo Bomarzo, Lazio, Italy, Europe