Espen Bergersen / Sperm whale {Physeter macrocephalus} showint tail fluke as it dives. Photographed just before midnight. 22 nautical miles northwest of Andenes, Northern Norway. July

Espen Bergersen / Humpback whale (Megaptera novaeangliae) showing tail fluke as it dives. Kvanangen, Troms, Norway. November

Espen Bergersen / Humpback whale (Megaptera novaeangliae) showing tail fluke as it dives. Kvanangen, Troms, Norway. December

David Pattyn / Great crested grebe (Podiceps cristatus) fluffing up its feathers, during courtship dance, whilst its mate dives underwater, The Netherlands. April.

Espen Bergersen / Sperm whale (Physeter macrocephalus) tail fluke visible as whale dives. outside Andoya, Norway March

Alex Mustard / Grey seal (Halichoerus grypus) young seal silhouetted against the sun as it dives after breathing, Lundy Island, Devon, UK, Bristol Channel, August

David Pattyn / Great crested grebe (Podiceps cristatus) fluffing up its feathers, during courtship dance, whilst its mate dives underwater, The Netherlands. April.

David Pattyn / Great crested grebe (Podiceps cristatus) fluffing up its feathers, during courtship dance, whilst its mate dives underwater, The Netherlands. April.

Peter Cairns / 2020VISION / Group of tourists wearing waterproof clothing and life jackets photograph Gannet colony from zodiac boat on tour around Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011. Di...

Espen Bergersen / Humpback whale (Megaptera novaeangliae) showing tail fluke as it dives. Kvanangen, Troms, Norway. December

Espen Bergersen / Sperm whale {Physeter macrocephalus} showint tail fluke as it dives, at midnight, Northern Norway. July

Espen Bergersen / Aerial shot of two Humpback whales (Megaptera novaeangliae) breathing at surface, one dives, Troms, Norway, January.

Espen Bergersen / Aerial shot of two Humpback whales (Megaptera novaeangliae) breathing at surface, one dives, Troms, Norway, January.

Tui De Roy / Blue-footed booby (Sula nebouxii) folding wings as it dives towards sea. Cerro Brujo, San Cristobal Island, Galapagos.

Tui De Roy / Blue-footed booby (Sula nebouxii) folding wings as it dives. Cerro Brujo, San Cristobal Island, Galapagos.

Tui De Roy / Blue-footed booby (Sula nebouxii) folding wings as it dives. Cerro Brujo, San Cristobal Island, Galapagos.

Tui De Roy / Blue-footed booby (Sula nebouxii) folding wings as it dives. Turtle Cove, Santa Cruz Island, Galapagos.

Alex Mustard / Marine iguana (Amblyrhynchus cristatus) dives down from the surface. Cape Douglas, Fernandina Island, Galapagos National Park, Galapagos Islands. East Pacific Ocean.

Tony Wu / Southern humpback whale (Megaptera novaeangliae australis), fluke of male as he dives. Vava'u, Tonga, South Pacific.

Tony Wu / Sperm whale (Physeter macrocephalus), three lined up in formation while resting between foraging dives. Trincomalee / Gokanna, Sri Lanka.

Franco Banfi / Sperm whale (Physeter macrocephalus) tail fluke above water as it dives below a rainbow, Dominica, Caribbean Sea, Atlantic Ocean, Vulnerable species. Digital composite.

Five Films / Capybara (Hydrochoerus hydrochaeris) feeding, dives under water, Reserva Ecologica de Guapiacu, Rio de Janeiro, Brazil, 2015.

John & Mary-Lou Aitchison / Female European otter (Lutra lutra) with a cub eating a fish on a rock, dives into the sea, Scotland, UK, November.

Nick Upton / Tufted duck (Aythya fuligula) drake surfaces in a lake and dives again, Corsham Court, Wiltshire, England, UK, March.

John Waters / Common frog (Rana temporaria) in a garden pond, dives underwater, with floating spawn, Somerset, England, UK, March.

David Pattyn / Humpback whales (Megaptera novaeangliae), two, one with tail emerging from the water as it dives, the other showing fin. Anjajavy Private Reserve in background. Mozambique Channel, Indian Ocean, north...

Espen Bergersen / Humpback whale (Megaptera novaeangliae) showing details of tail fluke as it dives, flukes used for individual identification, Kvaloya, Troms, Norway, October

Espen Bergersen / Sperm whale (Physeter macrocephalus) tail fluke visible as whale dives. outside Andoya, Norway March

Espen Bergersen / Humpback whale (Megaptera novaeangliae) tail fluke visible as it dives, Kvaloya, Troms, Norway January

David Tipling / Humpback whale (Megaptera novaeangliae) tail fluke visible at surface as it dives off Weddell Point, South Georgia, January

David Tipling / Humpback whale (Megaptera novaeangliae) tail fluke visible at surface as it dives off Weddell Point, South Georgia, January

Lucas Bustamante / Humpback whale (Megaptera novaeangliae) fluke above the water as it dives, Machalilla National Park, Manabi, Ecuador.

Franco Banfi / Humpback Whale (Megaptera novaeangliae) tail fluke at surface as whale dives, in the late afternoon light, Andenes, Andoya island, North Atlantic Ocean, Norway Janurary

Franco Banfi / Humpback whale (Megaptera novaeangliae) tail fluke as whale dives below surface, Andenes, Andoya Island, North Atlantic Ocean, Norway January

Franco Banfi / Humpback Whale (Megaptera novaeangliae) tail fluke at surface as whale dives, in the late afternoon light, Andenes, Andoya island, North Atlantic Ocean, Norway Janurary

Alex Mustard / Yellow lipped sea snake (Laticauda colubrina) dives back down to the reef after surfacing for breath of air. Apo Island, Dumaguete, Negros, Philippines. Bohol Sea, Tropical West Pacific Ocean.

David Tipling / Otter (Lutra lutra) tail splashing as it dives, River Thet, Norfolk, England, UK, April.

Andy Rouse / Barn Owl (Tyto alba) wings up right as it dives at prey, at sunrise, UK, March.

Charlie Summers / The tail of a drake Bufflehead duck (Bucephala albeola) is fanned as it dives in a Bosque del Apache, New Mexico drainage canal.

Graham Eaton / Bottlenose Dolphin (Tursiops truncatus) splashing as it dives into water, Cardigan Bay, Wales, May

Mike Wilkes / Scrub blackbird (Dives warczewiczi) perched on branch, Mindo, Ecuador

MYN / John Tiddy / The Disappearing Grasshopper (Schizobothrus flavovittatus) Wimmera, Victoria, Australia, March. Named because at the end of long escape flights it dives into long grass, seeming to disappear. meetyour...

Brent Stephenson / Antarctic shag / Blue eyed cormorant (Phalacrocorax atriceps) rests on the water between dives, Paradise Bay, Antarctic Peninsula, Antarctica, December.

Andrew Parkinson / 2020VISION / Great crested grebe (Podiceps cristatus) male in the split second before he dives for fish, Derbyshire, UK, March

Brent Stephenson / Humpback Whale (Megaptera novaeangliae) tail fluke as the animal dives. North Atlantic between Norway and Svalbard, July.

Matthew Maran / Tail fluke of a Grey Whale (Eschrichtius robustus) above the sea surface before the animal dives. 7 of a sequence of 7. Off Vancouver Island, Canada, June.

Matthew Maran / Tail fluke of a Grey Whale (Eschrichtius robustus) above the sea surface before the animal dives. 6 of a sequence of 7. Off Vancouver Island, Canada, June.

Matthew Maran / Tail fluke of a Grey Whale (Eschrichtius robustus) above the sea surface before the animal dives. 2 of a sequence of 7. Off Vancouver Island, Canada, June.

Matthew Maran / Tail fluke of a Grey Whale (Eschrichtius robustus) above the sea surface before the animal dives. 4 of a sequence of 7. Off Vancouver Island, Canada, June.

Matthew Maran / Tail fluke of a Grey Whale (Eschrichtius robustus) above the sea surface before the animal dives. 1 of a sequence of 7. Off Vancouver Island, Canada, June.

Matthew Maran / Tail fluke of a Grey Whale (Eschrichtius robustus) above the sea surface before the animal dives. 5 of a sequence of 7. Off Vancouver Island, Canada, June.

Matthew Maran / Tail fluke of a Grey Whale (Eschrichtius robustus) above the sea surface before the animal dives. 3 of a sequence of 7. Off Vancouver Island, Canada, June.

Juergen Freund / Erik Koti dives underwater to clean his farmed Giant clams (Tridacna maxima and Tridacna derasa) Onma Lodge, Kolombangara, Western Province, Solomon Islands, July 2010. Adult clams, often collected fr...

Alex Mustard / An adult California sealion (Zalophus californianus) dives down from the surface on its back after taking a breath of air. Los Islotes, La Paz, Baja California, Mexico. Sea of Cortez, East Pacific Oce...

Philip Stephen / Killer whale (Orcinus orca) tail above surface as it dives. North Sea.

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) swimming in sea between foraging dives, Isle of Mull, Scotland, April 2008

Doug Perrine / False killer whale (Pseudorca crassidens) dives after dropping an African pompano (Alectis ciliaris) that it had been carrying in its mouth; the whale later seized the fish again and passed it to anot...

Juergen Freund / Bajau fisherman dives for fish with speargun, Sabah, Borneo, Malaysia

Norbert Wu / Orca (Orcinus orca) travels down opening leads of ice, making deep dives under ice to hunt Antarctic cod, McMurdo Sound, Antarctica, sequence 2 of 4

Norbert Wu / Orca (Orcinus orca) travels down opening leads of ice, making deep dives under ice to hunt Antarctic cod, McMurdo Sound, Antarctica, sequence 1 of 4

Norbert Wu / Orca (Orcinus orca) surfacing at edge of ice, makes deep dives under ice to hunt Antarctic cod, Antarctica

Norbert Wu / Orca (Orcinus orca) pod resting at end of lead of ice, make deep dives under ice to hunt Antarctic cod, Antarctica

Norbert Wu / Orca (Orcinus orca) travels down opening leads of ice, making deep dives under ice to hunt Antarctic Cod, McMurdo Sound, Antarctica, sequence 4 of 4

Norbert Wu / Orca (Orcinus orca) travels down opening leads of ice, making deep dives under ice to hunt Antarctic Cod, McMurdo Sound, Antarctica, sequence 3 of 4

Doug Perrine / Bryde's whale dives through baitball of sardines {Balanoptera edeni} off east coast South Africa (Non-ex).

Juergen Freund / Bajau fisherman dives underwater to spear fish, children watch from traditional canoe, Pulau Gaya, Borneo, Malaysia

Juergen Freund / Whale shark hunter dives into sea with fish hook that he will drive into back of Whale shark. Pamilacan, Bohol, Philippines. 1997

Bruno de Faveri/ BIA / Fulvous-bellied Antpitta (Hylopezus dives), Costa Rica

Onne van der Wal / Family enjoying an afternoon on their anchored sailboat while a girl dives off the stern into the water, Caleta El Candelero, Mexico. 2006.

Angelo Giampiccolo / The wreck of the SS Thistlegorm, in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has lain at the bottom of the sea for over sixty years. It is sa...

Angelo Giampiccolo / Motorbikes and other cargo aboard the wreck of the SS Thistlegorm, located in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has lain at the bottom...

Angelo Giampiccolo / Motorbikes and other cargo aboard the wreck of the SS Thistlegorm, located in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has lain at the bottom...

Angelo Giampiccolo / Motorbikes and other cargo aboard the wreck of the SS Thistlegorm, located in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has lain at the bottom...

Angelo Giampiccolo / Motorbikes and other cargo aboard the wreck of the SS Thistlegorm, located in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has lain at the bottom...

Angelo Giampiccolo / Diver exploring the wreck of the SS Thistlegorm, located in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has lain at the bottom of the sea for ov...

Angelo Giampiccolo / Motorbikes and other cargo aboard the wreck of the SS Thistlegorm, located in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has lain at the bottom...

Angelo Giampiccolo / Two large Dentex fish and a diver exploring the wreck of the SS Thistlegorm which is located in the Straits of Gubal, Northern Red Sea. She was sunk by German bomber planes in World War II ^^^and has...

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) in sea between foraging dives, Isle of Mull, Scotland, April 2008

Fred Bavendam / Playing table tennis on Siladen Island between dives while Ollie the pet sow dozes with one of the village dogs, Manado, North Sulawesi, Indonesia

Frederique Olivier / Drone shot of a Dugong (Dugong dugon) surfacing. Then the animal dives down to feed before surfacing again. Exmouth Gulf, Western Australia. August.

Frederique Olivier / Aerial shot of a Dugong (Dugong dugon) at the surface breathing. Then the animal dives down to feed. Exmouth Gulf, Western Australia. August.

Bruce Thomson / Platypus (Ornithorhynchus anatinus) surfacing between foraging dives, Yungaburra, Queensland, Australia.

Bruce Thomson / RF - Platypus (Ornithorhynchus anatinus) surfacing between foraging dives, Yungaburra, Queensland, Australia. (This image may be licensed either as rights managed or royalty free.)

Roman Willi / White-throated dipper (Cinclus cinclus) engaging in courtship display as another dipper perches on rock and dives beneath water. Mallards swim in river behind, Lucerne, Switzerland, January.

Pal Hermansen / Melodius blackbird (Dives dives) attempting to catch a butterfly which is flying behind a plexiglass window, Costa Rica.

Brian Bevan / Common kingfisher (Alcedo atthis) male dives from branch and accidentally catches catkin, before landing and dropping it in the water, Bedfordshire, UK.

Shane Gross / Humpback whale (Megaptera novaeangliae) swimming above freediver as another dives behind them, Tubuai, French Polynesia, Pacific Ocean.

Brian Bevan / Common Kingfisher (Alcedo atthis) male dives then catches loach fish, Bedfordshire, UK, April.

Brian Bevan / Common Kingfisher (Alcedo atthis) male dives, misses fish and catches weed, Bedfordshire, UK, April.

Stefan Christmann / Small group of Emperor penguins (Aptenodytes forsteri) huddling together on an ice floe, preening before the whole group dives into the water, Atka Bay, Antarctica, March.

Richard Hopkins / Slow motion shot of Short-eared owl (Asio flameus) flying over grassland searching for prey, before it dives into the grass and then flies away, Gloucestershire, UK, March.

SCOTLAND: The Big Picture / Close up of Bottlenose dolphin (Tursiops truncatus) dorsal fin before it dives underwater, Moray Firth, Scotland, August.

Morley Read / Slow motion clip of two Yellow-spotted Amazon River Turtle (Podocnemis unifilis) basking on log in river while butterflies fly around them, seeking salt secreted by the turtles nostrils, one turtle di...

Morley Read / Yellow-spotted Amazon River Turtles (Podocnemis unifilis) pair basking on a log while butterflies fly around them seeking salt secreted by the turtles nostrils, one turtle dives into the river, Orella...

Morley Read / Yellow-spotted Amazon River Turtles (Podocnemis unifilis) pair basking on log in river, one yawns and the other dives into the water, Rio Tiputini, Orellana province, Ecuador.

John Chan / American white pelicans (Pelecanus erythrorhynchos) foraging cooperatively to herd and capture prey. A Brown pelican (Pelecanus occidentalis) dives in the background, Bolsa Chica Ecological Reserve, S...