Steve Winter P-22 was found roaming the Hollywood Hills, miles away from other mountain lions. Scientists fitted the puma with a radio collar which recorded his location (Credit: Steve Winter) Inspired by a mountain lion isolated from potential mates, the world’s largest wildlife bridge is being built in Los Angeles to allow animals to roam...
The second and final stage of the Wallis Annenberg Wildlife Crossing begins in July with tasks far more challenging than the first phase. Part of this second phase involves building a tunnel along a 175-foot section of Agoura Road to connect the crossing to the Santa Monica Mountains, just west of Liberty Canyon Road. Details...
Above the whirring of 300,000 cars each day on Los Angeles’s 101 freeway, an ambitious project is taking shape. The Wallis Annenberg wildlife crossing is the largest wildlife bridge in the world at 210ft long and 174ft wide, and this week it’s had help taking shape: soil. “This is the soul of the project,” says Beth Pratt,...
A vision to provide safe passage for mountain lions above 10 lanes of whizzing traffic near Los Angeles faced a foe: time. Genetically isolated pumas hemmed in by the 101 Freeway were showing birth defects and needed an outlet fast. A massive philanthropic challenge grant allowed the $92-million Wallis Annenberg Wildlife Crossing to advance rapidly...
The Wallis Annenberg Wildlife Crossing now spans the 101 Freeway in Agoura Hills, but weather issues have pushed completion to sometime in 2026. • Builders plan to cover the crossing with “engineered” soil inoculated with local microbes early next year so more than 5,000 native shrubs and wildflowers can be planted. • But the crossing...
The 10-lane highway overpass in Los Angeles designed to allow mountain lions and other animals to more freely roam, find mates A 200-foot-long wildlife overpass under construction in Los Angeles aims to help mountain lions and other animals roam safely across the concrete jungle of Highway 101, raising their chances of long-term survival. Preservationists...
