which provides habitat for more than 50 species of animals and plants living nowhere else in the world — including the Barton Springs salamander. Since the Edwards Aquifer also provides much of San ...

The various Ensatina salamanders ... As the species spread southward from Oregon and Washington, subpopulations adapted to their local environments on either side of the San Joaquin Valley.

The aquifer’s unique geology creates isolated pockets where different species can evolve in total seclusion. Within these watery corridors, the salamander shares its world with other cave ...

which provides habitat for more than 50 species of animals and plants living nowhere else in the world — including the Barton Springs salamander. Since the Edwards Aquifer also provides much of San ...