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Look it was a regional bird all along and we just didn't know it until years later.
>wingull and tailow found all over the place in early hoenn
>both have 2 stages
>both have extremely similar BSTs
>one comes right after the other in the Pokédex
Yeah Swellow is treated as the regional bird, but I think Hoenn was designed to have two of them like it had two pseudos. We just didn't KNOW it was one because it was Water/Flying, but then Talonflame came along and made it obvious in hindsight.
