New Zealand Birds

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 *

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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 *

Blue duck whio nest 42005 Hymenoliamus female malacorhynchos mountain duck incubating