In a message dated 95-11-30 08:04:01 EST, dwn194@soton.ac.uk (D.W.Naish) writes: >_Aepyornis_, the heaviest of known avians ever, Except for _Giganotosaurus_, of course. Ah--you mean "non-dinosaurian avians," right? (Two can play at this cladistics renaming game...) :-)