Arizona Wildlife(1st Edition) The Territorial Years, 1863-1912 by David E. Brown, DavidEarlBrown Paperback, 446 Pages, Published 2009 by Arizona Game And Fish Department ISBN-13: 978-0-917563-54-6, ISBN: 0-917563-54-9
"Nearly two feet long with striking black, white, and red plumage, the Ivory-billed and Imperial Woodpeckers were two of the most impressive woodpeckers in the world. Both species were known to be in serious decline by the end of the nineteenth century and are likely extinct today, though occasional reports of sightings persist. While the Ivory-billed was one of the first endangered birds to receive intensive conservation attention, the ..."