Moth or butterfly?

It is large - bigger than the Common Birdwing. Is it a moth?
http://img.photobucket.com/albums/v1..._442_Edit1.jpg

Thanks!

Already discussing about this species.

http://www.butterflypals.com/forums/...ad.php?p=22868

And for those not registered on said forum, this is Lyssa monetius (family Uraniidae).

cheers,

Roger.