Meditite appears in HGSS as a result of Sinnoh, not Hoenn sounds.
Syther, Pinsir, Exeggcute, Rhyhorn, etc. in the safari zone
Eevee first appeared wild with no chance that it could have been imported in Kalos
seeing as real life Hawaii has only 2 non-bird species that didn't hitch a ride with humans to get there originally, it's possible a good number of Alola mons have the same story
The island that Heatran lives on is based on an area that's part of real-life Russia; for that reason it may not count as Sinnoh native
same goes for Beldum
Mr. Mime I believe is Sinnoh native, possibly?
Lucario
Mew being from South America, not Kanto
Drifloon occasionally appears outside that one building in Sinnoh, but it's much more abundant in Unova and Iirc floating in the atmosphere above Hoenn.
