is a specific kind of: bird family.

has as a member: heron | Ardea, genus Ardea | Egretta, genus Egretta | Casmerodius, genus Casmerodius | Bubulcus, genus Bubulcus | genus Nycticorax, Nycticorax | genus Nyctanassa, Nyctanassa | Cochlearius, genus Cochlearius | Botaurus, genus Botaurus | genus Ixobrychus, Ixobrychus.

is a member of: Ciconiiformes, order Ciconiiformes.