Sup, iam Richard Arce, Buongiorno.

Why Is Lugia Not A Dragon? [Solved]

Well, it’s clear that Lugia ain’t no bat! He’s got the body of a wyvern, which is a type of dragon - and dragons are reptiles. So, yeah, he’s definitely not a mammal. Plus, the only lunged animals that live in the sea are mammals and reptiles - so there ya go!