From NBCNews.com:

One chilly early morning in November, a wolf roamed southwest of Las Cruces, New Mexico, on the southern border of the U.S. He was probably driven by the call for survival and wanted to mate, researchers say.

In his search for a mate or for better opportunities, the wolf tried to cross the dangerous Chihuahuan Desert, a region he knows very well because it has been his species’ habitat since time immemorial.

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