Karst Geology

Major Biodiversity

The Blanco River and its basin supports a growing human population as well as an array of diverse wildlife and vegetation, including nearly 375 species of birds, approximately 55 species of mammals, more than 70 species of reptiles, 80 species of fish, and some of the highest cave fauna diversity in the southwestern United States. The basin is also home to rare, endangered and threatened birds, amphibians, fish, and reptile species, which are often not found elsewhere. Urban development has accelerated habitat loss and fragmentation of these and many other species within the basin.

(Photo by: Will-travel at flickr.com)

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