11001-42005 Blue duck, or whio (Hymenoliamus malacorhynchos) female on nest beneath rock overhang. 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. Arthur Valley, Fiordland *
11001-41820 Blue duck, or whio (Hymenoliamus malacorhynchos) pair outside nesting cave. 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 *
11001-42002 Blue duck, or whio (Hymenoliamus malacorhynchos) pipping from egg. 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 *
