The SaveLACougars campaign, backed by the nonprofit National Wildlife Federation, on Tuesday celebrated its efforts to begin planting 5,000 native plants on the Wallis Annenberg Wildlife Crossing — a unique bridge created just for animals and plants, and built over the 101 freeway in Agoura Hills.

When completed, the bridge will help mountain lions and other wildlife safely cross the 101 freeway . And it will connect the Santa Monica Mountains and Simi Hills in an effort to end genetic isolation of the local mountain lion population living only 10 miles from the Los Angeles city limits. When the crossing is finished in late 2025 or early 2026, it will be the largest wildlife crossing in the world.

The Wallis Annenberg Wildlife Crossing in Agoura on Tuesday, Oct. 21, 2025. (Photo by S

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