wildlife crossings

Wildlife Crossing in Banff National Park by Anthony P. Clevenger of Western Transportation Institute

Is Less Always More?

Since its first introduction in 1975, the single large or several small (SLOSS) debate has sparked considerable controversy among conservation practitioners. Originally derived for providing recommendations for wildlife refuge design, …

The Real Cougars of L.A.

Meet the Real Cougars (Mountain Lions) of L.A.

Blonde. Powerful. Amazing teeth. Not the Real Housewives—but mountain lions, the real cougars of L.A! These wide roaming and territorial cats are at risk because their habitat is being cut …

Animals' Bridge

COOL CROSSINGS: Vote for Your Favorite Wildlife Crossing

We have 3.9 million miles of public roads crisscrossing the country, with many running right through prime wildlife habitat. Sadly, millions of birds, reptiles, mammals and amphibians are killed by …

Rainn Wilson (and Ranger Rick) Want You to Help Build a Wildlife Crossing to Save Mountain Lions

Los Angeles is home to some of the worst traffic in the country, but it’s not just people that suffer from the gridlock. The region’s heavily traveled freeways threaten a …

#SaveLACougars receives $1 million for wildlife crossing! Help us match it!

We have some incredible news to announce for the #SaveLACougars campaign! Yesterday, the State of California Coastal Conservancy (SCC) voted unanimously to grant $1 million to help fund the environmental …

Good News for Los Angeles Mountain Lions! CalTrans Pursuing Wildlife Crossing

The now famous P22, the mountain lion who crossed two eight-lane freeways to find a new home, has captured the imagination of people in Los Angeles and beyond with his …

mountain lion crossing

Getting Wildlife (Safely) to the Other Side of the Road

More and more, mountain lions are tragically being injured or killed on the heavily-trafficked roads outside Los Angeles that cut through their mountain habitat. And as sprawling development consumes significant …

mountain lion

Would You Want to Cross a Freeway in LA? Neither Do Mountain Lions…Let’s Help Them Out

When young mountain lions in the hills of Southern California venture out to find their own territory, they come up against the daunting prospect of crossing as many as ten …

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