Noun
order of chiefly tropical marsh-dwelling fish-eating wading birds with long legs and bills and (except for flamingos) unwebbed feet: herons; storks; spoonbills; flamingos; ibises
Source: WordNetFirst, multiple lines of evidence in the 1970s and 1980s suggested that the New World vultures Cathartidae were closer related to storks and herons ( Ciconiiformes ), though more recent place them outside that group as well. Source: Internet
The Cathartidae are sometimes placed separately in an enlarged stork family (Ciconiiformes), and may be raised to an order of their own (Cathartiiformes). Source: Internet