Kogin Whitestone
Kogin Whitestone kogi ne dake yankin New Zealand, yankin kogin Mararoa . BirdLife International yana da kuma ya kasance an ganoMuhimman Yankin Tsuntsaye saboda yana tallafawa yankunan kiwo na gull mai baƙar fata .

Duba kuma 

 Jerin koguna na New Zealand

Nassoshi