The various Ensatina salamanders of the Pacific coast all descended from a common ancestral population ... A well-studied example of a ring species is the salamander Ensatina escholtzii of ...

TALLAHASSEE, Fla. — The Center for Biological Diversity notified the Trump administration today that it intends to sue over ...

With their beautifully colorful shells, diversity of shapes and interesting adornments — including ridges, bumps and spikes — they've earned intriguing common names like fuzzy pigtoe ... or in one ...