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

Mark Carwardine / Amazon river dolphin, pink river dolphin or boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) - wild animal breaching~Threatened species (IUCN Red List)

Roland Seitre / Irrawaddy Dolphin (Orcaella brevirostris) spitting water. Captive, Thailand.

Mark Carwardine / Amazon / pink river dolphin / boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) wild animal breaching with fish in beak, Threatened species (IUCN Red List)

Todd Pusser / Atlantic spotted dolphin using echo-location to find fish in sand, Atlantic.

Alex Mustard / Bottlenose dolphin (Tursiops truncatus) swimming beneath a calm sea surface, Sandy Ridge, Little Bahama Bank. Bahamas.

Doug Perrine / Bottlenose dolphin face portrait {Tursiops truncatus} Caribbean - Spot a lone ~(Non-ex).

Roland Seitre / Irrawaddy Dolphins (Orcaella brevirostris) jumping from water. Captive, Thailand.

Doug Perrine / Sociable wild Bottlenose dolphin {Tursiops truncatus} Belize - Honey ~(Non-ex).

Doug Perrine / Bottlenose dolphin {Tursiops truncatus} Cayman Islands, Caribbean Sea ~(Non-ex).

Doug Perrine / Wild sociable Bottlenose dolphin {Tursiops truncatus} Turks and Caicos - Jo Jo ~(Non-ex).

Alex Mustard / Two Atlantic spotted dolphins (Stenella frontalis) over a shallow sand bank. On the left is a juvenile which does not have the characteristic spots of the adults. The adult is carrying a piece of weed...

Doug Perrine / Atlantic spotted dolphin bubbles coming from blowhole whilst it whistles {Stenella ~(Non-ex).

Doug Perrine / Atlantic spotted dolphins underwater {Stenella frontalis} Bahamas, Caribbean Sea ~(Non-ex).

Kevin Schafer / Amazon river dolphin / Boto (Inia geoffrensis) underwater, Rio Negro, Amazonia, Brazil, split level, July

Kevin Schafer / Split level view of Amazon River Dolphin / Boto (Inia geoffrensis) in flooded forest, Ariau River, tributary of Rio Negro, Amazonia, Brazil, July

Mark Carwardine / Yangtze river dolphin {Lipotes vexillifer} captive, Wuhan, China, crit endangered

Jeff Rotman / Bottlenose dolphin (Tursiops truncatus) plays with sea cucumber, Red Sea

Chris & Monique Fallows / Common dolphin (Dephinus delphis) pod feeding on sardines (Sardinops oecllata) East London, South Africa.

Franco Banfi / Pink River dolphin / Boto (Inia geoffrensis) Acajatuba Lake, Negro River, Amazonas, Brazil

Mark Brownlow / Dusky dolphin {Lagenorhynchus obscurus} surfing at surface, Kaikoura, South Island, New Zealand

Alex Mustard / A pair of Atlantic spotted dolphins (Stenella frontalis) play with a snorkeller on a water scooter over a shallow sand bank. Sandy Ridge, Little Bahama Bank, Bahamas. Tropical West Atlantic Ocean.

Jeff Rotman / Snorkeler holding Sea Cucumber (Holothuria edulis) swimming with wild Bottlenose Dolphin (Tursiops truncatus), Nuweiba, Egypt - Red Sea. Model released Model released.

Doug Perrine / Atlantic spotted dolphins at surface {Stenella frontalis} Bahamas, Caribbean Sea ~(Non-ex).

Doug Perrine / Atlantic spotted dolphins {Stenella frontalis} Bahamas, Caribbean ~(Non-ex).

Doug Perrine / Atlantic Bottlenose dolphin emerges from sand after crater feeding {Tursiops truncatus} ~(Non-ex).

Doug Perrine / Common dolphins (Delphinus delphis) preying on ^baitball^ of sardines (Sardinops sagax), South Africa

Mark Carwardine / Common bottlenose dolphin (Tursiops truncatus) breaching, Baja California, Sea of Cortez (Gulf of California), Mexico

Mark Carwardine / Amazon river dolphin, pink river dolphin or boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) - wild animal urinating~Threatened species (IUCN Red List)

Doug Perrine / Hawaiian / Pantropical / Long snouted / Gray's spinner dolphins (Stenella longirostris longirostris) Kona Coast, Big Island, Hawaii (Central Pacific Ocean)

Chris & Monique Fallows / Common dolphin (Dephinus delphis) pod feeding on sardines (Sardinops oecllata) East London, South Africa.

Aflo / Four Hawaiian / Long snouted / Gray's spinner dolphins (Stenella longirostris longirostris) just below the surface, Midway Islands, Pacific Ocean, USA

Jeff Rotman / Bottlenose dolphin (Tursiops truncatus) swimming at surface, Red Sea, Nuweiba, Egypt

Staffan Widstrand / Bottlenose Dolphin (Tursiops truncatus) spraying through water. Galapagos, Ecuador, April.

Brent Stephenson / Dusky dolphins (Lagenorhynchus obscurus) courting pair leaping from the sea, Kaikoura, Canterbury, New Zealand, January.

Roland Seitre / Australian humpback dolphin (Sousa sahulensis) on back at surface. Captive. Australia.

Andy Rouse / Bottlenose dolphins (Tursiops truncatus) jumping at sunset, Caribbean (non-ex)

Kevin Schafer / Two Amazon river dolphins / Botos (Inia geoffrensis) swimming underwater in flooded rainforest, one with beak open, Rio Negro, Amazonia, Brazil, July

Doc White / Amazon river dolphin (Inia geoffrensis), Rio Negro, Amazonia, Brazil

Doug Perrine / Spinner dolphin leaping {Stenella longirostris} Kona, Hawaii, Pacific Ocean ~(Non-ex).

Doug Perrine / Bottlenose dolphin mother and calf {Tursiops truncatus} Bahamas, Caribbean Sea ~(Non-ex).

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

Juan Carlos Munoz / Piebald / Commerson's dolphin (Cephalorhynchus commersonii) entering the water after a jump. Deseado River, Puerto Deseado, Patagonia, Argentina, Nov 2008

Wild Wonders of Europe / Lundgren / Rear view of Atlantic spotted dolphins (Stenella frontalis) porpoising, Pico, Azores, Portugal, June 2009

Jeff Rotman / Bottlenose dolphin mother and calf (Tursiops truncatus) Red Sea

Doug Perrine / Atlantic spotted dolphins touching flippers {Stenella frontalis} Bahamas, Caribbean ~(Non-ex).

Doug Perrine / Atlantic spotted dolphins in mock combat {Stenella frontalis} Bahamas, Caribbean ~(Non-ex).

Doug Perrine / Atlantic spotted dolphin and calf {Stenella frontalis} Bahamas, Caribbean Sea ~(Non-ex).

Todd Pusser / Leaping Northern right whale dolphin {Lissodelphis borealis} Monterey Bay, California, USA

Roland Seitre / Indian Ocean Bottlenose Dolphins (Tursiops aduncus) feeding on bait fish. Whyalla, South Australia.

Doug Perrine / Bottlenose dolphin silhouette {Tursiops truncatus} Roatan, Honduras. Captive ~(Non-ex).