Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) surfacing in bay, endangered, Banks Peninsula, New Zealand

Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) pair surfacing in bay, endangered, Banks Peninsula, New Zealand

Tui De Roy / Hector's Dolphin (Cephalorhynchus hectori) small pod in turbid coastal waters near river mouth, Kaikoura Penninsula, South Island, New Zealand

Tui De Roy / Hector's Dolphin (Cephalorhynchus hectori) small pod in turbid coastal waters near river mouth, Kaikoura Penninsula, South Island, New Zealand

Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) pod surfacing in Akaroa Bay, New Zealand

Tui De Roy / Hector's Dolphin (Cephalorhynchus hectori) small pod in coastal waters, Kaikoura, South Island, New Zealand

Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) at bow of research boat, Banks Peninsula, New Zealand

Flip Nicklin / Spinner Dolphin (Stenella longirostris) with white plastic line cutting into its dorsal fin, Hawaii

Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) bow riding, Kaikoura, New Zealand

Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) underwater portrait, New Zealand

Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) leaping near entrance to Akaroa Bay, New Zealand

Flip Nicklin / Hector's Dolphin (Cephalorhynchus hectori) group being observed and photographed by researchers Stephen Dawson and Elizabeth Slooten, New Zealand