One of a small pod of curious killer whales (Orcinus orca) off the Cumberland Peninsula, Baffin Island, Nunavut, Canada, North America

A pod of Big Type B killer whales (Orcinus orca) in Antarctic Sound, Antarctica, Southern Ocean, Polar Regions

A pod of Big Type B killer whales (Orcinus orca) in Antarctic Sound, Antarctica, Southern Ocean, Polar Regions

Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Type B killer whales (Orcinus orca) travelling and socializing in Lemaire Channel near the Antarctic Peninsula, Southern Ocean, Polar Regions

Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Type A killer whale (Orcinus orca) bull, traveling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

Resident killer whale bull, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

A young Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

A very rare sighting of Type D (sub-Antarctic) killer whales (Orcinus orca), in the Drake Passage, Antarctica, Polar Regions

A young Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

Adult bull Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

Adult Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

A Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

Zodiac near Type D killer whales (Orcinus orca) in the Drake Passage, Antarctica, Polar Regions

A very rare sighting of Type D (sub-Antarctic) killer whales (Orcinus orca) in the Drake Passage, Antarctica, Polar Regions

Zodiac near Type D (sub-Antarctic) killer whale (Orcinus orca), in the Drake Passage, Antarctica, Polar Regions

Mother and calf killer whale (Orcinus orca) surfacing near Point Adolphus, Icy Strait, Southeast Alaska, United States of America, North America

A small pod of Type B killer whales (Orcinus orca) in Neko Harbor, Andvord Bay, Antarctica, Southern Ocean, Polar Regions

A curious bull killer whale (Orcinus orca) near the National Geographic Explorer off the Cumberland Peninsula, Baffin Island, Nunavut, Canada, North America

Zodiac near Type D (sub-Antarctic) killer whale (Orcinus orca), in the Drake Passage, Antarctica, Polar Regions

A small pod of curious killer whales (Orcinus orca) off the Cumberland Peninsula, Baffin Island, Nunavut, Canada, North America

Adult female Type A killer whales, Orcinus orca, surfacing near Stromness Harbour, South Georgia Island, Atlantic Ocean

A small pod of Type B killer whales (Orcinus orca), near Cierva Cove, Antarctica, Southern Ocean, Polar Regions

An adult bull Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

A small pod of around 12 curious killer whales (Orcinus orca), off the Cumberland Peninsula, Baffin Island, Nunavut, Canada, North America

Resident killer whale bull, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

Transient killer whales (Orcinus orca) surfacing at sunset, Haro Strait, Saturna Island, British Columbia, Canada, North America

Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

Resident killer whale, Orcinus orca, spy-hopping in Cattle Pass, San Juan Island, Washington, United States of America, North America

Killer whale calf (Orcinus orca) spy-hopping at sunset near Point Adolphus, Icy Strait, Southeast Alaska, United States of America, North America

Transient killer whales (Orcinus orca) surfacing at sunset, Haro Strait, Saturna Island, British Columbia, Canada, North America

Resident killer whale pod, Orcinus orca, surfacing in Chatham Strait, Southeast Alaska, United States of America

Orca Killer Whale, Orcinus orca, Isabela Island, Galapagos, Ecuador

Transient killer whales (Orcinus orca), Haro Strait, Saturna Island, British Columbia, Canada, North America

Resident killer whale, Orcinus orca, tail throw in Chatham Strait, Southeast Alaska, United States of America

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Orca Killer Whale, Orcinus orca, Isabela Island, Galapagos, Ecuador

Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

Resident killer whale pod, Orcinus orca, surfacing in Chatham Strait, Southeast Alaska, United States of America

Killer whales (orcas) (Orcinus orca) hunting, Weddell, Sea, Antarctica, Polar Regions

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Orca Killer Whale, Orcinus orca, Isabela Island, Galapagos, Ecuador

Killer whales (Orcinus orca) surfacing at sunset near Point Adolphus, Icy Strait, Southeast Alaska, United States of America, North America

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Adult bull killer whale (Orcinus orca) surfacing at sunset near Point Adolphus, Icy Strait, Southeast Alaska, United States of America, North America

Orca (killer whale) in the Straits of Gibraltar, Europe

Resident killer whale pod, Orcinus orca, surfacing in Chatham Strait, Southeast Alaska, United States of America

Resident killer whale pod, Orcinus orca, surfacing in Chatham Strait, Southeast Alaska, United States of America

Adult bull Type A killer whale (Orcinus orca) in the Gerlache Strait, Antarctica, Polar Regions

Adult killer whale (Orcinus orca) surfacing with kelp on its flukes in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

Adult killer whale (Orcinus orca) surfacing with kelp on its flukes in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

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

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

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

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

An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

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

A juvenile killer whale (Orcinus orca) head-lunging in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

Adult bull killer whale (Orcinus orca) surfacing in Glacier Bay National Park, Southeast Alaska, United States of America, Pacific Ocean, North America

Young Galapagos sea lion (Zalophus wollebaeki) underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

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

A pod of Pacific white-sided dolphins (Lagenorhynchus obliquidens) leaping and surfacing in Johnstone Strait, British Columbia, Canada, North America

An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

Gathering of at least two resident pods of killer whales (Orcinus orca) encountered near sunset, Johnstone Strait, British Columbia, Canada

Gathering of at least two resident pods of killer whales (Orcinus orca) encountered near sunset, Johnstone Strait, British Columbia, Canada

A juvenile killer whale (Orcinus orca) encountered off West Craycroft Island in Blackfish Sound, British Columbia, Canada

Gathering of at least two resident pods of killer whales (Orcinus orca) encountered near sunset, Johnstone Strait, British Columbia, Canada

Gathering of at least two resident pods of killer whales (Orcinus orca) encountered near sunset, Johnstone Strait, British Columbia, Canada

Adult bull Type A killer whale (Orcinus orca) power lunging in the Gerlache Strait, Antarctica, Polar Regions

Group of at least eight killer whales (Orcinus orca) surfacing off the coast of the island of Surtsey, southern Iceland

Group of at least eight killer whales (Orcinus orca) surfacing off the coast of the island of Surtsey, southern Iceland

Adult bull Type A killer whale (Orcinus orca) surfacing in the Gerlache Strait, Antarctica, Polar Regions

Adult Type A killer whale (Orcinus orca) surfacing in the Gerlache Strait, Antarctica, Polar Regions

A pod of Type A killer whales (Orcinus orca), surfacing off the northwest coast of South Georgia, Polar Regions

Pack Ice Type B killer whales (Orcinus orca), finding a leopard seal (Hydrurga leptonyx), on an ice floe in Antarctica, Polar Regions

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

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

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

An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

Adult female killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

Adult female killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

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

Orca aquatic show, Loro Parque, Puerto de la Cruz, Tenerife, Canary Islands, Spain, Atlantic Ocean, Europe

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

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

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

Killer whale female (Orcinus orca), tail-lobbing off Isla San Lorenzo, Baja California, Sea of Cortez, Mexico, North America

Killer whales (Orcinus orca), off Isla Carmen, Baja California Sur, Mexico, North America

An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

A small pod of killer whales (Orcinus orca) encountered in Glacier Bay National Park, Southeast Alaska, United States of America

A juvenile killer whale (Orcinus orca) encountered off West Craycroft Island in Blackfish Sound, British Columbia, Canada