Ring species such as the Ensatina salamander complex are well-documented biological examples that demonstrate continuous divergence and speciation processes in nature.
Evidence for · 2
Incipient species formation in salamanders of the Ensatina complex.
1997 · cited by 85
Paper 2 discusses the Ensatina eschscholtzii complex as a classic, well-studied ring species of plethodontid salamanders.
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More for · 1
Ring distributions leading to species formation: a global topographic analysis of geographic barriers associated with ring species.
2012 · cited by 25
Paper 5 references known ring taxa such as Ensatina eschscholtzii as empirical examples of circular overlaps and ring species in nature.