A small pod of pack Ice type B killer whales (Orcinus orca), just after making a Weddell seal kill in the Lemaire Channel, Antarctica, Polar Regions

Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America

Southern right whale (Eubalaena australis) flukes-up dive near whale watching boat in Puerto Pyramides, Argentina, South America

Southern right whale (Eubalaena australis) mother and calf near whale watching boat in Puerto Pyramides, Argentina, South America

AI generated image of a Robot collecting samples of giant mussels and tubeworms in the deep sea

A large pod of Gerlache Strait type B killer whales (Orcinus orca), traveling and socializing in Gerlache Strait, Antarctica, Polar Regions

The Lindblad Expedition ship National Geographic Explorer near a glacier in the Svalbard Archipelago, Norway, Arctic, Europe

The Lindblad Expedition ship National Geographic Explorer pushing through ice in the Svalbard Archipelago, Norway, Arctic, Europe

Adult gentoo penguin (Pygoscelis papua), porpoising for swimming speed near the Antarctic Peninsula, Southern Ocean, Polar Regions

Coral reef and sea life banner, The Maldives, Indian Ocean

Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize

Adult humpback whale (Megaptera novaeangliae) breaching along the west side of Chatham Strait in Alaska, United States of America

Adult humpback whale (Megaptera novaeangliae) tail throw among feeding whales in Southeast Alaska, United States of America

An adult Pacific white-sided dolphin (Lagenorhynchus obliquidens) leaping in Johnstone Strait, British Columbia, Canada

Adult fin whale (Balaenoptera physalus) carcass in Holmabukta off the northwest of the Svalbard Archipelago, Norway

Adult fin whale (Balaenoptera physalus) sub-surface feeding in the rich waters off the Svalbard Archipelago, Norway

A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway

A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway

Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway

Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway

A view of the expedition ship Akademik Shokalskiy operating in the Svalbard Archipelago, Norway

Adult humpback whale (Megaptera novaeangliae), surfacing near researchers in Zodiac at sunset, Iceland

Skull of an adult killer whale (Orcinus orca), on display inside the town of Stanley, Falkland Islands, South Atlantic Ocean, South America

Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

Expedition ship The Bremen operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Polar Regions

Humpback whale (Megaptera novaeangliae), surfacing off Half Moon Island in the South Shetland Island Group, Antarctica, Polar Regions

Whale bone on a beach, Baffin island, Nunavut, Canadian Arctic, Canada, North America

Adult Commerson's dolphin (Cephalorhynchus commersonii), surfacing in Stanley Harbor in the Falkland Islands, South America

Adult Commerson's dolphin (Cephalorhynchus commersonii), surfacing in Stanley Harbor in the Falkland Islands, South America

Nurse shark (Ginglymostoma cirratum), on the sand in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Adult Commerson's dolphin (Cephalorhynchus commersonii), surfacing in Stanley Harbor in the Falkland Islands, South America

Adult Dall's porpoise (Phocoenoides dalli) surfacing with characteristic rooster tail splash in Johnstone Strait, British Columbia, Canada, North America

Southern elephant seals (Mirounga leonina), hauled out for their annual catastrophic molt (moult) on the beach at Snow Island, Antarctica, Polar Regions

Schooling king angelfish (Holacanthus passer), underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Galapagos penguin (Spheniscus mendiculus) feeding underwater on small baitfish in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

A curious young polar bear (Ursus maritimus) approaches the National Geographic Explorer in the Svalbard Archipelago, Norway, Arctic, Europe

View of massive die-off of black triggerfish on the beach on Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

View of massive die-off of black triggerfish on the beach on Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

Adult Commerson's dolphin (Cephalorhynchus commersonii) surfacing, Carcass Island in the Falkland Islands, South America

Crabeater seals (Lobodon carcinophaga) hauled out on ice floe in Neko Harbor near the Antarctic Peninsula, Antarctica, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Expedition ship Polar Star operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Southern Ocean, Polar Regions

Argentine ship the Puerto Deseado operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Southern Ocean, Polar Regions

Expedition ship Polar Star operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Southern Ocean, Polar Regions

Adult fin whale (Balaenoptera physalus), dorsal fin detail surfacing off Newport Beach, California, United States of America, North America

Baleen whale skeleton, most likely a young Bryde's whale, on lava flow in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Baleen whale skeleton, most likely a young Bryde's whale, on lava flow in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

A small pod of Type B killer whales (Orcinus nanus) just outside Duse Bay in the Weddell Sea, Antarctica, Polar Regions

A small pod of killer whales (Orcinus orca) off the coast of South Georgia Island, Southern Ocean

Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America

Adult Dall's porpoise (Phocoenoides dalli) surfacing with characteristic rooster tail splash in Johnstone Strait, British Columbia, Canada, North America

A pod of killer whales (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

Spotted eagle rays (Aetobatus narinari) underwater at Leon Dormido Island off San Cristobal Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Humpback whale (Megaptera novaeangliae) surfacing in the Weddell Sea near the Antarctic Peninsula, Antarctica, Polar Regions

An adult bull among a pod of about 20 killer whales (Orcinus orca) in Antarctic Sound near the Antarctic Peninsula, Polar Regions

Views of Base Presidente Eduardo Frei Montalva, Antarctica, Southern Ocean, Polar Regions

Dead Adelie penguin (Pygoscelis adeliae) attacked, killed and eaten by an Antarctic fur seal at Brown Bluff, Antarctica, Polar Regions

By-the-wind sailors (Velella velella), floating by the hundreds on the surface of the sea outside Newport Beach, California, United States of America, North America

Killer whale pod (Orcinus orca), beside tourists in inflatables off Punta Colorada, Isla San Jose, Baja California Sur, Mexico, North America

La Niña, Pacific Ocean Temperature Anomalies

Young woman walking past an historical deep ocean, research submarine on display on the waterfront at George Town, Grand Cayman, Cayman Islands, Caribbean