How do you define "species" because there are things like ring species that break the mold of basic definitions. https://evolution.berkeley.edu/a-closer-look-a

How do you define "species" because there are things like ring species that break the mold of basic definitions. https://evolution.berkeley.edu/a-closer-look-at-a-classic-ring-species/discovering-a-ring-species/ https://evolution.berkeley.edu/a-closer-look-at-a-classic-ri... As you go along the ring you can easily observe the creation of new species through evolution that can't breed with each other.