Identifying and Reporting an Ivory-billed Wood Step 1: Check the distribution maps to make make sure your sighting was within the range of the ivory-bill. Step 2: Evaluate the habitat to make sure your sighting was consistent with ivory-bill habitat. Step 3: Verify that you saw ivory-bill field marks. Step 4: .The Ivory-billed Wood. Campephilus prin.lis is the third largest woodin the world, and the largest woodnorth of Mexico. At .Identifying and Reporting an Ivory-billed Wood .Think you have seen an Ivory-billed Wood.? Or perhaps you are planning on searching for one? Here are important field marks and other information .