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Transient killer whales (Orcinus orca), surfacing in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

A small pod of Atlantic killer whales (Orcinus orca), surfacing just north of Tromso, Norway, Scandinavia, Europe

Adult humpback whale (Megaptera novaeangliae), breaching in the shallow waters of Cabo Pulmo, Baja California Sur, Mexico, North America

Adult Hector's dolphin (Cephalorhynchus hectori) mating near Akaroa, South Island, New Zealand, Pacific

Adult humpback whale (Megaptera novaeangliae), breaching in the shallow waters of Cabo Pulmo, Baja California Sur, Mexico, North America

Adult humpback whale (Megaptera novaeangliae) feeding off the west coast of Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

Transient killer whale (Orcinus orca) surfacing with fresh kill, Monterey Bay National Marine Sanctuary, California, United States of America, North America

Adult bull killer whale (Orcinus orca), surfacing off Kagamil Island, Aleutian Islands, Alaska, United States of America, North America

Ecotype Big B killer whales (Orcinus orca), surfacing in the Lemaire Channel, Antarctica, Polar Regions

Adult female killer whale, Orcinus orca, surfacing in Behm Canal, Southeast Alaska, United States of America.

Adult female killer whale, Orcinus orca, surfacing in Behm Canal, Southeast Alaska, United States of America.

An adult Indian Ocean Humpback Dolphin (Sousa plumbea), surfacing off the Kalpitiya Peninsula, Sri Lanka, Asia

California gray whale (Eschrichtius robustus) calf with mother in Magdalena Bay, Baja California Sur, Mexico, North America

Adult humpback whale (Megaptera novaeangliae), surfacing off Kodiak Island, Alaska, United States of America, North America

A small killer whale pod, Orcinus orca, surfacing in Behm Canal, Southeast Alaska, United States of America.

Transient male killer whale (Orcinus orca), surfacing in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

Adult Risso's dolphins (Grampus griseus), surfacing near shore in Monterey Bay Marine Sanctuary, California, United States of America, North America

Adult bull killer whale (Orcinus orca), surfacing near the Cleveland Peninsula, Southeast Alaska, United States of America, North America

Transient killer whales (Orcinus orca), surfacing in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

Transient killer whales (Orcinus orca), surfacing in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

Adult blue whale (Balaenoptera musculus), surfacing in Monterey Bay Marine Sanctuary, California, United States of America, North America

Adult bull killer whales (Orcinus orca), surfacing near the Cleveland Peninsula, Southeast Alaska, United States of America, North America

Transient male killer whales (Orcinus orca), surfacing in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

Pacific white-sided dolphin (Lagenorhynchus obliquidens), surfacing in Johnstone Strait, British Columbia, Canada, North America

Adult humpback whales (Megaptera novaeangliae) surfacing off the bow of the National Geographic Explorer in the Gerlache Strait, Antarctica, Polar Regions

California gray whale (Eschrichtius robustus), surfacing with excited whale watchers in San Ignacio Lagoon, Mexico, North America

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

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

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

Adult fin whale (Balaenoptera physalus) surfacing off the bow of the National Geographic Explorer, Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

California gray whale calf (Eschrichtius robustus), underwater with tourists in San Ignacio Lagoon, Baja California Sur, Mexico, North America

California gray whale calf (Eschrichtius robustus), with whale watchers in San Ignacio Lagoon, Baja California Sur, Mexico, North America

Transient type killer whale (Orcinus orca), surfacing near boat in Monterey Bay National Marine Sanctuary, California, United States of America, North America

California gray whale calf (Eschrichtius robustus), with whale watchers in San Ignacio Lagoon, Baja California Sur, Mexico, North America

California gray whale calf (Eschrichtius robustus), underwater with tourists in San Ignacio Lagoon, Baja California Sur, Mexico, North America

California gray whale calf (Eschrichtius robustus), underwater with tourists in San Ignacio Lagoon, Baja California Sur, Mexico, North America

California gray whale calf (Eschrichtius robustus), underwater with tourists in San Ignacio Lagoon, Baja California Sur, Mexico, North America

Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular and surfacing wth a metre of a zodiak. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline. This shot has penguins resting on an iceberg in the background.

Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline. An expedition cruise ship in the background

Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. With passengers from an expedition crusie in Zodiaks. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline.

Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline.

Minke Whales(Balaenoptera acutorostrata) feeding in the Gerlache Strait separating the Palmer Archipelago from the Antarctic Peninsular off Anvers Island. The Antartic Peninsular is one of the fastest warming areas of the planet.

Fin Whale, Balaenoptera physalus, surfacing at speed, blowing, showing jaw line, mouth, blowhole, Pico, Azores, Atlantic Ocean

Male transient killer whale (Biggs killer whale) (Orca) (Orcinus orca) surfacing in front of boat in the Pacific Ocean, Monterey, California, United States of America, North America

Male, female and calf transient killer whale (Biggs killer whale) (Orca) (Orcinus orca) surfacing in front of boat in the Pacific Ocean, Monterey, California, United States of America, North America

Gervais Beaked Whale, Mesoplodon europaeus, adult surfacing, showing dorsal fin, extremely rare image, Azores, Atlantic Ocean

Indo Pacific humpback dolphin (Sousa chinensis) adult surfacing, Hong Kong, Pearl River Delta, China, Asia

Indo Pacific humpback dolphin (Sousa chinensis) adult surfacing, Hong Kong, Pearl River Delta, China, Asia

Pacific white-sided dolphin (Lagenorhynchus obliquidens) surfacing, Monterey, California, Pacific Ocean, United States of America, North America

Common dolphin (Delphinus delphis) baby surfaces alongside two adults, Azores, Portugal, Atlantic, Europe

Short-finned pilot whales (Globicephala macrorhynchus) surfacing, showing markings, La Gomera, Canary Islands, Atlantic, Spain, Europe

Transient killer whales (Orca) (Orcinus orca), lthree adult females and calf surfacing, Monterey, California, United States of America, North America

Large adult m ale and female transient killer whales (orcas) (Orcinus orca) surfacing, Monterey, California, Pacific Ocean, United States of America, North America

Gervais Beaked Whale, Mesoplodon europaeus, adult surfacing, showing beak, extremely rare unusual image, Azores, Atlantic Ocean

Pacific white-sided dolphin (Lagenorhynchus obliquidens) surfacing, Monterey, California, Pacific Ocean, United States of America, North America

Sowerbys Beaked Whale, Mesoplodon Bidens, adult female surfacing, rare unusual image, Azores, Atlantic Ocean

Atlantic spotted dolphin (Stenella frontalis) juvenile surfacing on calm seas with reflection visible, Azores, Atlantic Ocean, Portugal, Europe

Rissos dolphin (Grampus griseus) surfacing, Monterey, California, United States of America, North America

Transient killer whale (Orca) (Orcinus orca), large male (bull) surfacing, Monterey, California, United States of America, North America

Rissos dolphin (Grampus griseus), adult animal surfacing, Monterey, California, United States of America, North America

Rissos dolphin (Grampus griseus), adult animal surfacing, Monterey, California, United States of America, North America

Pacific white-sided dolphin (Lagenorhynchus obliquidens) surfacing, Monterey, California, Pacific Ocean, United States of America, North America

Late phase of an oblique lunge. The Minke whale (Balaenoptera acutorostrata) falls back into the water while its throat is still expanded and water is pushed out under high pressure. St. Lawrence estuary, Canada

Blue whale (Balaenoptera musculus) exhaling a cloud of tiny water droplets into the air. St. Lawrence estuary, Canada

Close up of the blowholes of a Minke whale (Balaenoptera acutorostrata) that lie just posterior of the distinctive ridge stretching over the rostrum. St. Lawrence estuary, Canada

Amazing closeup of a lunging Minke whale (Balaenoptera acutorostrata) feeding on krill. Some of these small euphausiids are still hanging on to the expanded grooves. St. Lawrence estuary, Canada

She canÃt be more trusting than that. A curious Minke whale (Balaenoptera acutorostrata) has turned upside down exposing her white belly, navel and genital slits to the photographer. St. Lawrence estuary, Canada

A perfect oblique lunge of a Minke whale (Balaenoptera acutorostrata) surface feeding in the early evening. Its Grooves are expanded and water is purged out, two main characteristics of a feeding strike. St. Lawrence estuary, Canada

Steering with its pectoral fins the friendly Minke whale (Balaenoptera acutorostrata) turns its streamlined body towards the boat in order to dive under the hull. St. Lawrence estuary, Canada. Sequence 5/6

Just a split second before surfacing, a Beluga whale (Delphinapterus leucas) opens its blowhole to exhale ready to inhale when the blowhole has cleared the water. Beluga whales are an endangered and protected species in the St. Lawrence estuary, Canada

Closeup of a the mouth tip of a lunging Minke whale (Balaenoptera acutorostrata). To extract the engulfed fish the whale purges water through a slight opening between its lips. St. Lawrence estuary, Canada

Just before surfacing a beluga whale (Delphinapterus leucas) exhales while its blowhole is still submerged creating large air bubbles. St. Lawrence estuary, Canada

A dense net of blood vessels colour the belly of Minke whales (Balaenoptera acutorostrata) named Picasso pink during high feeding activity. St. Lawrence estuary, Canada

The white flipper band of a Minke whale (Balaenoptera acutorostrata) is visible through the greenish water. This distinctive feature is characteristic of Minke whales of the northern hemisphere and the most obvious difference to their relatives in the Antarctic. St. Lawrence estuary, Canada

Tall dorsal fin of a Finback whale (Balaenoptera physalus) which is located far back along the dorsal ridge. This prominent feature is often used for identification. St. Lawrence estuary, Canada

Although largely solitary animals, certain individual Minke whales (Balaenoptera acutorostrata) of the St. Lawrence estuary, Canada, have started to form pairs in recent years. Reasons for this are not yet well understood.

A friendly Minke whale (Balaenoptera acutorostrata) has rolled onto its right side to take a better look at the excited people on the boat. Note that the left eye is open. St. Lawrence estuary, Canada

Only for a few seconds the blowhole of a surfacing beluga whale (Delphinapterus leucas) is exposed and free of water. St. Lawrence estuary, Canada Sequence 1/3.

Tiny water droplets catch the last light of the setting sun as this Finback whale (Balaenoptera physalus) exhales blasting the air compressed in its huge lungs high into the air. St. Lawrence estuary, Canada

Harbour porpoise (Phocoena phocoena) arching its back to dive just as its giant relatives do. However, these small cetaceans donÃŒt dive as deep. St. Lawrence estuary, Canada (RR)

What is more beautiful? The harmonically formed tip of the Minke whaleÃŒs (Balaenoptera acutorostrata) snout or the water bubble along its lips? St. Lawrence estuary, Canada

Oblique lunge of a Minke whale (Balaenoptera acutorostrata) named Crowsfoot who has performed all feeding manoeuvre types known from the St. Lawrence estuary, Canada

Two Minke whales (Balaenoptera acutorostrata) surfacing as a pair. Whales migrating to the St. Lawrence estuary, Canada, have to share their summer feeding ground with numerous freighters along the international seaway which connects Quebec City with the Atlantic ocean.

Like a piece of art thousands of waterdrops cover the expanded belly of a Minke whale (Balaenoptera acutorostrata) performing a ventral arc. St. Lawrence estuary, Canada

The white tip of a Finback whaleÌs (Balaenoptera physalus) snout showing a distinctive characteristic of this species; the lower right jaw is white in colour whereas the left side is dark. Gasp», Canada

Unusual scratches and impermanent patches on the skin of a Minke whale (Balaenoptera acutorostrata) known as Otter who was first identified in the St. Lawrence estuary, Canada, in 1996.

Closeup of a Minke whale (Balaenoptera acutorostrata) showing the beautiful pattern of parallel grooves near the tip of the snout. St. Lawrence estuary, Canada

The result of a strong head slap of a Minke whale (Balaenoptera acutorostrata). Such a splash supposedly scares shoaling fish that are known to cluster when threatened. St. Lawrence estuary, Canada

Finback whale (Balaenoptera physalus) might be seen alone or in pairs but often form groups of more than a dozen animals in order to hunt fish. St. Lawrence estuary, Canada (RR)

Female giant water spider (Megadolomedes australianus) on water surface, Couchy Creek Nature Reserve, New South Wales, Australia, Pacific