Chris & Monique Fallows / Common dolphin (Dephinus delphis) porpoising, False Bay, Cape Town, South Africa.

Pete Oxford / Long-beaked Common Dolphin (Delphinus capensis) pod and diving Cape Gannets (Morus capensis) hunting Pacific Sardines (Sardinops sagax), Eastern Cape, South Africa

Brent Stephenson / Short-beaked common dolphin (Delphinus delphis) breaking the surface and leaping from the water. Off Napier, Hawkes Bay, New Zealand.

Chris Gomersall / Short-beaked common dolphin (Delphinus delphis) breaching, Loch Torridon, Scotland

Doug Perrine / Short beaked Common dolphins porpoising {Delphinus delphis} Azores, Portugal North Atlantic Ocean (Non-ex).

SCOTLAND: The Big Picture / Common dolphin (Delphinus delphis) jumping out the water, Shetland, Scotland, UK, January.

SCOTLAND: The Big Picture / Common dolphins (Delphinus delphis) bow riding, in the MInch, near Mingulay, Scotland, UK, June.

Chase Dekker / Long-beaked Common Dolphin (Delphinus capensis) pod porpoising, Monterey Bay, California

Chase Dekker / Long-beaked Common Dolphin (Delphinus capensis) pod porpoising, Monterey Bay, California

Chris Gomersall / Short-beaked common dolphin (Delphinus delphis) breaching alongside ship. Hebrides, Scotland. June

David Fleetham / Common dolphin (Delphinus delphis) porpoising, Mexico.

Chris Gomersall / Close-up of breaching Short-beaked common dolphin (Delphinus delphis), showing tooth marks inflicted by other dolphins - probably during courtship. Hebrides, Scotland. July .