Securing U.S. Borders Threatens Iconic Species

Already endangered, Southwestern species struggle to survive in a landscape remade by fences, roads and border patrols. 

We’re deep in the desert with the engine off. No sooner do we start to drive again than the fastest animal in America, the pronghorn, bolts out of the brush. I had been hoping to see one. White- and chestnut-colored, deep-chested and springy, it runs directly across the rutted track in front of the truck — and in an instant, it is gone.  “Robust,” is James Atkinson’s first comment. “They don’t stop and look back like a deer does. They keep going.&rd...

The full text of this article is available to Discover Magazine subscribers only.

Subscribe and get 10 issues packed with:
  • The latest news, theories and developments in the world of science
  • Compelling stories and breakthroughs in health, medicine and the mind
  • Environmental issues and their relevance to daily life
  • Cutting-edge technology and its impact on our future
Already a subscriber? Register now!
Registration is FREE and takes only a few seconds to complete. If you are already registered on, please log in.

Discover's Newsletter

Sign up to get the latest science news delivered weekly right to your inbox!

Collapse bottom bar

Log in to your account

Email address:
Remember me
Forgot your password?
No problem. Click here to have it emailed to you.

Not registered yet?

Register now for FREE. It takes only a few seconds to complete. Register now »