[Fichori]

I would still like to know how, and if, ring species are 1 specie or 2.

[Alter Kaker]

I would still like to know how, and if, ring species are 1 specie or 2.

Well, as I think you know (otherwise you wouldn't be asking the question), the taxonomy of ring species is difficult and the subject of considerable debate.

[aNYCguy]

One possible answer is that species are not equivalence classes; i.e. “same species” is simply a non-transitive relation.