David Fleetham / A Green sea turtle (Chelonia mydas) at surface to breathe, over shallow reef, Hawaii USA.
Doug Gimesy / Greater crested tern (Thalasseus bergii) flies over breaking waves on a stormy day, with a rainbow in the background, Apollo Bay, Victoria, Australia.
Guy Edwardes / Sunrise from Monmouth Beach, Lyme Regis, Jurassic Coast World Heritage Site, Dorset, UK, April.
Guy Edwardes / Ammonite Fossil, Ammonite Graveyard, Monmouth Beach, Lyme Regis, Jurassic Coast World Heritage Site, Dorset, UK, April.
Marie Read / Front view of an adult Black skimmer (Rynchops niger) in flight carrying a fish, Long Island, New York, USA. August.
Awarded a Judges Choice in the Birds category in the 2020 North American Nature As...
Kim Taylor / Two Freshwater copepods (Cyclops sp) swimming through pond debris, Surrey, UK, May.
Richard Hopkins / Female European otter (Lutra lutra) looking directly at camera as her male cub suckles before she turns away from him; he pesters her to feed him again. Shetland, UK, September.
David Fleetham / Aerial view of airplane shadow over shallow water near sand bar, with boats in the water. Sumion Island, Cebu, Philippines.
Alex Mustard / RF - Portrait of Spinecheek anemonefish (Premnas biaculeatus) in its host Bubble-tip anemone (Entacmaea quadricolor) on a coral reef. Raja Ampat, West Papua, Indonesia. Ceram Sea. (This image may be l...
Alex Mustard / RF - Grey seal (Halichoerus grypus) relaxing in a bed of kelp (Laminaria digitata), with two seals in the background. Farne Islands, Northumberland, England, United Kingdom. British Isles. North Sea....
Alex Mustard / Portrait of a Red Sea anemonefish (Amphiprion bicinctus) above the tentacles of a Magnificent sea anemone (Heteractis magnifica) on a coral reef. Daedelus Reef. Egypt. Red Sea.
Alex Mustard / Portrait of a Bigfin reef squid (Sepioteuthis lessoniana) at night above a coral reef. Gam Island, Raja Ampat, West Papua, Indonesia. Dampier Strait, Tropical West Pacific Ocean.
Ben Cranke / King penguins (Aptenodytes patagonicus) walking to the breeding colony. Fortuna Bay, South Georgia Island
Ben Cranke / King penguins (Aptenodytes patagonicus) walking back to their breeding colony. Right Whale Bay, South Georgia Island
Ben Cranke / Southern elephant seals (Mirounga leonina) subadult males practice sparring. St Andrew's Bay, South Georgia Island
Ben Cranke / Southern elephant seal (Mirounga leonina) and her newborn pup, bonding with calling and nuzzling. Salisbury plain, South Georgia Island
Ben Cranke / King penguins (Aptenodytes patagonicus) congregate on the beach, seeking a safe point to go into the sea, with male Southern elephant seals (Mirounga leonina) blocking their path. St Andrew's Bay,...
David Fleetham / Endangered Green sea turtle (Chelonia mydas) stretches neck to be cleaned by Yellow tangs (Zebrasoma flavescens) and Goldring tangs (Ctenochaetus strigosus), North Pacific, Hawaii, USA.
Marie Read / Black Skimmer (Rynchops niger) excavating nest scrape on beach by squatting and kicking backwards using its feet, Long Island, New York, USA, August.
Marie Read / Black Skimmer (Rynchops niger) brooding small chick in nest on beach, Long Island, New York, USA, August.
Marie Read / Black Skimmers (Rynchops niger) nesting, one adult feeds a fish to a small chick that emerges from underneath second adult, Long Island, New York USA, August.
Doug Gimesy / Sub-Antarctic / Brown skua (Stercorarius antarcticus) flying away with egg stolen from a Royal penguin colony (Eudyptes schlegeli), Macquarie Island, Australian Territory. December.
Pascal Kobeh / A school of Bluespotted cornetfish (Fistularia commersonii), Red Sea, Egypt.
Doug Perrine / Blue marlin (Makaira nigricans) Vava'u, Kingdom of Tonga, South Pacific
John Chan / Elegant terns (Thalasseus elegans) gathering at mussel bed during breeding season, one hovering tern has a mussel clamped to its foot, a common mishap caused by stepping on an open mussel, Bolsa Chica...
Tony Wu / Female Northern pygmy squid (Idiosepius paradoxus) depositing eggs on a blade of eelgrass (Zostera marina), Yamaguchi Prefecture, Japan.
Tony Wu / Female Northern pygmy squid (Idiosepius paradoxus) preparing to lay another egg on a blade of eelgrass (Zostera marina), Yamaguchi Prefecture, Japan.
Guy Edwardes / Durdle Door in winter during Storm Emma, Jurassic Coast World Heritage Site, Isle of Purbeck, Dorset, England, UK. March 2018
Nick Garbutt / Adult humpback whale (Megaptera novaeangliae) diving in deep water channel. Great Bear Rainforest, British Columbia, Canada. COP26 Countdown Photo Competition 2021 Finalist. (digitally stitched image)
Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) yearling pup playing with own air bubbles in shallows, Gardner Islet, Espanola Island, Galapagos, Ecuador
Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) pups playing at sunrise, Puerto Egas, Santiago Island, Galapagos, Ecuador
Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) female and male on red volcanic beach, Rabida Island, Galapagos, Ecuador
Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) female resting in shallows, Bainbridge Islets, Galapagos, Ecuador
Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) pups playing in shallows, Sombrero Chino, Santiago Island, Galapagos, Ecuador
Claudio Contreras / Laysan albatross (Phoebastria immutabilis) calling mate,Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, March
Claudio Contreras / Guadalupe fur seal (Arctocephalus townsendi) male fighting, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, April
Ashley Cooper / Lemaire channel, between Booth Island and the Kiev Peninsular, Antarctica.
Ismaele Tortella / Eurasian otter (Lutra lutra) swimming with snow on its back, calling, Norway
Solvin Zankl / Portrait of Sea elephant (Cardiopoda placenta) marine pelagic gastropod mollusc in the family Pterotracheidae. Deep sea heteropod. Atlantic Ocean, close to Cape Verde. Controlled conditions.
Solvin Zankl / Bioluminescent anglerfish (Cryptopsaras couesi), deep sea fish from, Atlantic Ocean off Cape Verde. Captive.
Solvin Zankl / Female Pram bug (Phronima sedentaria) with young with young in nest made from salp body, Atlantic Ocean off Cape Verde. Captive.