New Zealand Whale and Dolphin Trust working with Hector's dolphins (Cephalorhynchus hectori)

new zealand dolphin dolphins two animals pair couple whale and dolphin trust hectors dolphins hector's dolphins cephalorhynchus hectori akaroa south pacific marine surface surfacing one person research education study scientific researcher boat boats watching dolphin watching photographer photography dorsal fin dolphin dolphins mammal mammals cetacean cetaceans coastal waters two portrait vertical