User blog comment:Lamango/Archaeopteryx/@comment-1060835-20140827003916/@comment-1060835-20140827010001

Probably from the fact it was ment to be in a King Kong vs Godzilla reboot where it was mutated from a bird to a giant archaeopteryx due to the radiation used to make Mechani-Kong. This was before even G vs KG in 91, man. Gigamoth was conceived in 1991. The Mechani-Kong movie was for 1990