Humpback Whale (Megaptera novaeangliae) breaching. Azores

Blue Whale, Balaenoptera musculus, surfacing off the Azores Islands

Short-finned pilot whale surfacing (Globicephala macrorhynchus) Azores, Atlantic Ocean

Short-fin Pilot Whale, Globicephala macrorhynchus, swimming off the Azores Islands

Blue whale fluking up to dive (Balaenoptera musculus) Azores, Atlantic Ocean

Short-fin Pilot Whale, Globicephala macrorhynchus, mother and calf swimming off the Azores Islands

Sperm Whale, Physeter macrocephalus, Breaching off the Azores Islands, showing eye, mouth and pectoral fin - awesome

Blue Whale (Balaenoptera musculus) blow. Azores

Sperm Whale, Physeter macrocephalus, mother and large calf fluking off the Azores Islands

Aerial view of Fin whale (Balaenoptera physalus) surfacing. Gulf of Maine, USA (rr)

Aerial view of Fin whale (Balaenoptera physalus) surfacing. Gulf of Maine, USA (rr)

Adult Fin Whale (Balaenoptera physalus) surfacing in the lower Gulf of California (Sea of Cortez), Mexico.

Aerial view of Fin whales (Balaenoptera physalus) surfacing. Gulf of Maine, USA (rr)

Adult Fin Whale (Balaenoptera physalus) surfacing in the lower Gulf of California (Sea of Cortez), Mexico.

Fin whale (Balaenoptera physalus) head passing close beneath a boat. Gulf of California.

Fin whale (Balaenoptera physalus) showing white lower jaw in calm sea. Gulf of California.

Krill captured in a bottle! Taken from the site where a Fin Whale (Balaenoptera physalus) was surface feeding in the upper Gulf of California (Sea of Cortez), Mexico.

Minke whale (Balaenoptera acutorostrata) surfacing, Hebrides, Scotland

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)

Fin whale (Balaenoptera physalus) showing the chevron markings on its flanks. Bay of Biscay, SW Europe.

Adult fin whale (Balaenoptera physalus) sub-surface feeding in the rich waters off the continental shelf just south of Bear Island in the Barents Sea, Norway.

Fin Whale (Balaenoptera physalus) Azores