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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

A surfacing beluga whale (Delphinapterus leucas). Note the open blowhole, eye, distinctive lips, and pronounced forehed. St. Lawrence estuary, Canada Sequence 3/3.

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

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

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

Closeup of the expanded grooves of a giant Blue whale (Balaenoptera musculus) during a lateral lunge, a feeding strike occasionally seen in the 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

The distinctive colouration pattern of a Minke whale (Balaenoptera acutorostrata). Note that the typical white flipper band extends on to the lower side of the pectoral fin. St. Lawrence estuary, Canada (RR)

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

Juvenile Beluga whale (Delphinapterus leucas), an endangered and protected species, lifts its head to take a look at the research vessel. Beluga calves are dark in colour and turn white at seven to nine years of age. 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.

The purging water almost reaches the photographers camera. Closeup of an oblique lunge of a surface feeding Minke whale (Balaenoptera acutorostrata). St. Lawrence estuary, Canada

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

The female Humpback whale (Megaptera novaeangliae) named Tic-Tac-Toe, a regular visitor to the area, breaches close to the research vessel. Out of joy, to fool around, or simply to impress people or her companion Siam? St. Lawrence estuary, Canada Sequence 2/3.

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)

The Humpback whales (Megaptera novaeangliae) named Tic-Tac-Toe and Siam diving in close proximity to kayakers who will certainly always remember this very special encounter with these giants. The absence of an engine might make it difficult for whales to perceive kayakers. St. Lawrence estuary, Canada

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

She canÃŒt 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

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

A surfacing beluga whale (Delphinapterus leucas). Note the open blowhole, eye, distinctive lips, and pronounced forehed. St. Lawrence estuary, Canada Sequence 2/3.

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.

The pointy snout of a surfacing Minke whale (Balaenoptera acutorostrata) keeping its blowholes tightly closed until the moment they break the surface. St. Lawrence estuary, Canada

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

Even in conditions with little visibility, the white flipper band of a Minke whale (Balaenoptera acutorostrata) shines through the water of the 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)

Free diver observes Spinner dolphins (Stenella longirostris), Kealakekua Bay, Captain Kook, Big Island, Hawaii, United States of America, Pacific

Short-finned pilot whale (Globicephala macrorhynchus), Kailua-Kona, Hawaii, United States of America, Pacific

Bottlenose dolphin (Tursiops truncatus) receives medical care from trainer, Marine mammal research center, Hawaii Institute of Marine Biology, Oahu, Hawaii, United States of America, Pacific

Spinner dolphins (Stenella longirostris), Kealakekua Bay, Captain Kook, Big Island, Hawaii, United States of America, Pacific

Spinner dolphin (Stenella longirostris), Kealakekua Bay, Captain Kook, Big Island, Hawaii, United States of America, Pacific

Pantropical spotted dolphin (Stenella attenuata) leaping, Kailua-Kona, Hawaii, United States of America, Pacific

Southern right whale (Eubalaena australis) detail of tail underwater near beach, Imbituba, Santa Catarina, Brazil, South Atlantic, South America

Short-beaked common dolphin (Delphinus delphis) leaping (totally airborn!) off the north shore of Catalina Island, Southern California, USA. Pacific Ocean.

False-killer whale (Pseudorca crassidens) surfacing near Zodiac off Isla San Esteban in the midriff region of the Gulf of California (Sea of Cortez), Mexico

Assorted Sperm Whale (Physeter macrocephalus) teeth from lower jaws of beached Sperm Whales in the mid-riff region of the Gulf of California (Sea of Cortez), Mexico.

California gray whale (Eschrichtius robustus) calf being touched by excited whale watchers in the calm waters of San Ignacio Lagoon, Baja California Sur, Mexico.

A group of 6 to 8 Orca (Orcinus orca) which attacked and killed a white-beaked dolphin at 74? 11.31? N and 16? 03.48? E off the continental shelf southwest of Bear Island in the Barents Sea, Norway.

Adult Dall's Porpoise (Phocoenoides dalli) surfacing with characteristic "rooster tail" splash in Icy Strait, Southeast Alaska, USA. Pacific Ocean.
(Restricted Resolution - pls contact us)

Adult fin whale (Balaenoptera physalus) surfacing near Isla Carmen in the lower Gulf of California (Sea of Cortez), Mexico

Coyote (Canis latrans) feeding on the carcass of a California Gray Whale (Eschrichtius robustus) calf washed up on Isla Tiburon in the midriff region of the Gulf of California (Sea of Cortez), Mexico.

California Gray Whale (Eschrichtius robustus) mother and calf in the calm waters of San Ignacio Lagoon, Baja, Mexico.

Hawaiian Spinner Dolphin pod (Stenella longirostris) underwater in Honolua Bay off the northwest coast of Maui, Hawaii, USA, Pacific Ocean

California Gray Whale (Eschrichtius robustus) in San Ignacio Lagoon on the Pacific side of the Baja Peninsula, Baja California Sur, Mexico

Aerial view of feeding humpback Whales (Megaptera novaeangliae) surfacing off Whitestone Harbor in Southeast Alaska, USA. Pacific Ocean.

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA

Long-beaked common dolphin pod (Delphinus capensis) encountered in the southern Gulf of California (Sea of Cortez), Baja California Sur, Mexico

Adult Peale's Dolphin (Lagenorhynchus australis) bow-riding in the Falkland Islands, South Atlantic Ocean

Adult humpback Whale (Megaptera novaeangliae) breaching near the Five Fingers Island Group in Southeast Alaska, USA. Pacific Ocean.

Beached California Gray Whale (Eschrichtius robustus) calf with Turkey Buzzards feeding on carcass on Isla Tiburon in the Gulf of California (Sea of Cortez), Mexico.

Whale watchers on the Lindblad ship National Geographic Sea Bird with adult blue whales (Balaenoptera musculus), Gulf of California (Sea of Cortez), Mexico

California Gray Whale (Eschrichtius robustus) in San Ignacio Lagoon on the Pacific side of the Baja Peninsula, Baja California Sur, Mexico

Adult common (northern) minke whale (Balaenoptera acutorostrata) sub-surface feeding in the rich waters of Woodfjord, Spitsbergen, Svalbard Archipelago, Norway

Adult fin whale (Balaenoptera physalus) surfacing near Isla Carmen in the lower Gulf of California (Sea of Cortez), Mexico

Excited whale watchers on shore see all three resident killer whale (Orcinus orca) pods off Lime Kiln lighthouse, San Juan Island, Washington State, USA

Adult rough-toothed dolphin (Steno bredanensis) bow riding the National Geographic Endeavour near Ascension Island. South Atlantic Ocean.

California gray whale (Eschrichtius robustus) calf being touched by excited whale watchers in the calm waters of San Ignacio Lagoon, Baja California Sur, Mexico.

An adult humpback whale (Megaptera novaeangliae) head-lunging off Point Adolphus in Icy Strait in Southeast Alaska, USA. Pacific Ocean

Hawaiian Spinner Dolphin (Stenella longirostris) spinning, possibly to dislodge attached remoras, Lanai, Hawaii, USA, Pacific Ocean

A very rare sighting of an adult blue Whale (Balaenoptera musculus) fluke-up dive off the northwestern side of Spitsbergen Island in the Svalbard Archipelago, Barents Sea, Norway

Adult Antarctic Minke Whale (Balaenoptera bonaerensis) surfacing in ice near Larrouy Island on the western side of the Antarctic Peninsula

Adult common (northern) minke whale (Balaenoptera acutorostrata) sub-surface feeding in the rich waters of Woodfjord, Spitsbergen, Svalbard Archipelago, Norway

False-killer whale (Pseudorca crassidens) surfacing off Isla San Esteban in the midriff region of the Gulf of California (Sea of Cortez), Mexico

Excited whale watchers reach out to touch an adult California Gray Whale (Eschrichtius robustus) in San Ignacio Lagoon, Baja Peninsula, Baja California Sur, Mexico

Adult humpback whale (Megaptera novaeangliae) breaching and head-lunging along the eastern shore of Chichagof Island in Southeastern Alaska, USA

Adult fin whale (Balaenoptera physalus) surfacing near Isla Carmen in the lower Gulf of California (Sea of Cortez), Mexico

CT with an eight-inch tooth from lower right mandible (jawbone) of an adult bull Sperm Whale (Physeter macrocephalus), Gulf of California (Sea of Cortez), Mexico

Adult Peale's Dolphin (Lagenorhynchus australis) bow-riding in the Falkland Islands, South Atlantic Ocean

Hawaiian Spinner Dolphin pod (Stenella longirostris) underwater in Honolua Bay off the northwest coast of Maui, Hawaii, USA, Pacific Ocean

Rubbing the baleen plates of a curious California Gray Whale (Eschrichtius robustus) calf in San Ignacio Lagoon, Baja Peninsula, Baja California Sur, Mexico

Sperm Whale (Physeter macrocephalus) surfacing in the mid-riff Island area of the Gulf of California (Sea of Cortez), Sonora, Mexico

A lone adult dwarf minke whale (Balaenoptera acutorostrata subspecies) surfacing in the tropical south Atlantic Ocean

Adult bottlenose dolphin (Tursiops truncatus) bow riding in the calm waters surrounding Isla del Carmen in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico

Adult Bottlenose Dolphin (Tursiops truncatus gilli) leaping in the upper Gulf of California (Sea of Cortez), Mexico.

Hawaiian Spinner Dolphin pod (Stenella longirostris) underwater in Honolua Bay off the northwest coast of Maui, Hawaii, USA, Pacific Ocean