The two-inch-long, “neotenic” Jollyville Plateau salamander retains gills for its entire life and spends all its time underwater, inhabiting springs, spring runs and wet caves fed by the Edwards ...

Some of these creatures must hop or slither as far as a quarter-mile—a long way for a small ... including green frogs, four-toed salamanders, northern spring peepers, eastern newts, bullfrogs ...