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

Doug Perrine / Piebald / Commerson's dolphins {Cephalorhynchus commersonii} captive, digital composite Occurs southern South America

Todd Pusser / Heavisides dolphin at surface {Cephalorhynchus heavisidii}, Brittania Bay, South Africa

Todd Pusser / Hector's dolphins below surface {Cephalorhynchus hectori} Kaikoura, New Zealand Pacific

Ben Osborne / Piebald / Commersons dolphin surfing {Cephalorhynchus commersonii} Falkland Is

TOM WALMSLEY / Hectors dolphins surfacing {Cephalorhynchus hectori} Akaroa, New Zealand

TOM WALMSLEY / Hectors dolphins underwater {Cephalorhynchus hectori} Akaroa, New Zealand

TOM WALMSLEY / Hectors dolphin ventral tail slap {Cephalorhynchus hectori} Akaroa, New Zealand

TOM WALMSLEY / Hectors dolphin {Cephalorhynchus hectori} Akaroa, New Zealand

TOM WALMSLEY / Hectors dolphin at surface {Cephalorhynchus hectori} Akaroa, New Zealand

Todd Pusser / Two Piebald / Commerson's dolphin {Cephalorhynchus commersonii} Falkland Islands, Atlantic Ocean

TOM WALMSLEY / Hectors dolphin mother + calf {Cephalorhynchus hectori} Akaroa, New Zealand