English: Te Tuatahi a nui, a male kiwi on Maungatautari mountain. (North Island brown kiwi, Apteryx mantelli). In early 2007 a transmitter attached to Te Tuatahi a nui, which gives staff valuable information about his health, indicated that the five year old is sitting on an egg, a first for this ecological reserve. With North Island brown kiwi the female lays the eggs while the male has responsibility for them during the 85 days of incubation.