Reason?
Fragment of a discussion from User talk:Rua
No, it's an adjective- most specific epithets are. Still, the edit only changed the header without changing the rest of the entry, which would have been a problem.
Chuck Entz (talk)
Taxonomic names are a strange combination of Latin and translingual: they don't have to be Latin in origin, but the rules of formation and treatment specify that they conform to Latin grammar. Here are a couple of relevant parts of the code for animal names:
Chuck Entz (talk)