Apteryx owenii; Print; The little spotted kiwi; or little grey kiwi; Apteryx owenii; is a small flightless bird in the kiwi family Apterygidae. It is the smallest species of kiwi; at about 0.9 to 1.9 kg (2.0-4.2 lb); about the size of a bantam. It is endemic to New Zealand; and in pre-European times occurred in both main islands; but is now restricted to a number of small offshore islands and mainland reserves protected by pest-exclusion fences.; 1820-1860