Researchers at the Caesar Kleberg Wildlife Research Institute in Kingsville, Texas are conducting a study to understand the impact of the 30-foot, steel border barrier impact on mountain lions.

Two photos of a mountain lion walking on top of the border fence near Naco were posted on social media Friday by the Arizona Game and Fish Department in Tucson. They quickly "went viral," notes ...

The institute will be monitoring mountain lion habitat ... borderland region between Texas and Mexico in the context of the border barrier system," Lisanna Petracca, carnivore ecologist at ...