Description: English: Distribution of the Christmas Island Hawk Owl Ninox natalis (www.owlpages.com). Date: 13 February 2016. Source: Own work. Author: JMakana.
Description: English: A Christmas Island Hawk Owl on a Plate from the work A monograph of Christmas Island (Indian Ocean) by Charles William Andrews (1866-1924). Illustration by John Gerrard Keulemans (1842-1912). Date: 1900. Source: A monograph of Christmas Island (Indian Ocean) https://archive.org/details/monographofchris00andruoft. Author: Charles William Andrews (1866-1924) (Author) John Gerrard Keulemans (1842-1912) (Illustrator).