"North Island Kokako". Tiritiri Matangi Open Sanctuary. Supporters of Tiritiri Matangi Inc. Archived from the original on 2018-08-11. Retrieved 2019-10-24.
web.archive.org
"North Island Kokako". Tiritiri Matangi Open Sanctuary. Supporters of Tiritiri Matangi Inc. Archived from the original on 2018-08-11. Retrieved 2019-10-24.