The North Island Brown Kiwi (Apteryx mantelli; Apteryx australis or Apteryx bulleriA History of the Birds of New Zealand as before 2000, still used in some sources), is a species of kiwi that is widespread in the northern two-thirds of the North Island of New Zealand and, with about 35000 remaining,BirdLife International (2008)(a) is the most common kiwi.