The New Zealand raven was native to the North Island and South Island of New Zealand but has been extinct since the 16th century. There were two subspecies: the North Island raven and the South Island raven . Another closely related species, the Chatham raven, occurred on the Chatham Islands.
This is a part of the Wikipedia article used under the Creative Commons Attribution-Sharealike 3.0 Unported License (CC-BY-SA).