11001-41814 Blue duck, or whio (Hymenoliamus malacorhynchos) male on watch, from mid-river boulder. Recent genetic work suggests whio are unique within the Anatinae subfamily. Unlike all other NZ waterfowl, both living and extinct, they have no Australian relatives. Manganui o te Ao River *
11001-41805 Blue duck, or whio (Hymenoliamus malacorhynchos) male watching his territory near the nest, from a mid-river boulder. Recent genetic work suggests whio are unique within the Anatinae subfamily. Unlike all other NZ waterfowl, both living and extinct, they have no Australian relatives. Upper Arthur Valley, Fiordland *
11001-42208 Blue duck, or whio (Hymenoliamus malacorhynchos) male in the turbulent, clear water of a mountain stream. Recent genetic work suggests whio are unique within the Anatinae subfamily. Unlike all other NZ waterfowl, both living and extinct, they have no Australian relatives. Newton Creek, Arahura Valley *
