The term 'Large White Bird' can refer to three different species of birds: the EGRET (5 letters), the SWAN (4 letters), and the Whooping Crane (13 letters). The EGRET is a long-legged wading bird with a white or grey plumage, found in warm climates around the world. The SWAN is a large waterbird with a long neck and mostly white plumage, found in temperate climates in the Northern Hemisphere. The Whooping Crane is a large, endangered crane species with a white body and red crown, found in North America.