11001-41801 Blue duck, or whio (Hymenoliamus malacorhynchos) pair swimming with four ducklings in 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. Snag Burn, Fiordland *
11001-42103 Blue duck, or whio (Hymenoliamus malacorhynchos) family with five ducklings loafing on 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 Clinton Valley, Fiordland *
11001-42107 Blue duck, or whio (Hymenoliamus malacorhynchos) male guarding three small ducklings on streambank. 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. Clinton Valley, Fiordland *
