G. R. Gray, 1845,
one of the islands of the South Pacific Ocean = Dusky Sound, South Island, New Zealand.
Specific epithet originally given in masculine form, but genus formally declared to be feminine by ICZN Direction 26 of Nov 1955#R. Monotypic.
New Zealand, formerly on North I, South I and Stewart I (claimed subfossil remains from Chatham Is considered erroneous#R); persisted until 1927 on North I (Huiarau Range), until 1987 on South I (Milford District of Fiordland), and until 1997 on SE Stewart I#R. Now survives as translocated populations on Codfish I (off Stewart I), Anchor I and Chalky I (Fiordland, SW South I), and possibly still Maud I (NE South I)#R; recently reintroduced to Little Barrier I (N North I)#R.
Food and feeding
Status and conservation
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