Ring spesies cincin, rikala angga populasi sané nampek ring sikut distribusi sané jimbar prasida nglantur ngamargiang kawin silang saha mamargi becik, sakéwanten angga populasi sané adoh nénten mresidayang.
In ring species, when members of adjacent populations in a widely continuous distribution range interbreed successfully but members of more distant populations do not.