The hotspot also has 17 endemic bird genera and three endemic bird families, Acanthisittidae, Apterygidae, and Callaeidae.    From Wordnik.com.  [Biological diversity in New Zealand] Reference

In Fuller, E. (ed) Kiwis: A Monograph of the Family Apterygidae.    From Wordnik.com.  [Archive 2006-07-01] Reference