Traditionally, the order Ciconiiformes has included a variety of large, long-legged wading birds with large bills: storks, herons, egrets, ibises, spoonbills, and several others. However recent DNA evidence might suggest that every member, except storks, are more related the Pelecaniformes, and thus belong to that group. Ciconiiformes are known from the Late Eocene. They occur in most of the warmer regions of the world and tend to live in drier habitats than the very similar herons, spoonbills… (More on Ciconiiformes)