Atlantic Spotted Dolphin, (Stenella frontalis). Azores

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

Risso's dolphin surfacing to exhale (Grampus griseus) Azores, Atlantic Ocean

Striped Dolphin, Stenella coeruleoalba, leaping off the Azores Islands, showing white blaze above the eye

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

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

Atlantic Spotted Dolphin, Stenella frontalis, leaping in the Azores

Spotted Dolphin, Stenella frontalis, leaping off the Azores Islands

Close up of Atlantic Spotted dolphin, Stenella frontalis, in the Azores, notice the shoulder blaze

Bottlenose Dolphin (Tursiops truncatus). Azores

Risso's dolphin surfacing to exhale (Grampus griseus) Azores, Atlantic Ocean

Humpback Whale (Megaptera novaeangliae) breaching. Azores

Blue whale (Balaenoptera musculus). The blows of two blue whales, an adult and a juvenile. Gulf of California.

Killer whales Orcinus orca, pod travelling together, one individual with flopped dorsal fin Monterey, California, USA

Adult male Killer whale (Orcinus orca). Olafsvik, Iceland.

Minke whale (Balaenoptera acutorostrata) surfacing in fjord with snow capped mountains behind. Husavik, Iceland.

Adult fin whale (Balaenoptera physalus) surfacing in the calm waters off Isla San Esteban in the midriff region of the Gulf of California (Sea of Cortez), Baja California, Mexico. There are an estimated 400 resident fin whales residing in the Gulf of Cali

Killer Whale (Orcinus orca) head surfacing at speed. Gulf of California.

Killer whale (Orcinus orca) surfacing west of Snaefellsness Peninsular, Iceland.

The Indian summer colours the tree line along the coast indicating the oncoming winter. A sign that Minke whales (Balaenoptera acutorostrata) should start their migration south to unknown waters. St. Lawrence estuary, Canada

Very slowly, a curious Minke whale (Balaenoptera acutorostrata) surfaces spreading its pectoral fins perpendicular to its body. St. Lawrence estuary, Canada

Fin Whale ( Balaenoptera physalus) dorsal fin. Azores