1 2 3 4 5 6 7 8 9 Largest Birds in The World AllTopTens.com 1 2 Avian Medicine: Principles and Application Archived 2009-04-19 at the Wayback Machine.. avianmedicine.net 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Wood, Gerald The Guinness Book of Animal Facts and Feats (1983) ISBN 978-0-85112-235-9 ↑ Murray, Peter F.; Vickers-Rich, Patricia (2004).