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# Preview of WILLOW: Diary of a Mountain Lion
- URL: https://www.cascadepbs.org/show/nature/trailers/about-willow-diary-of-a-mountain-lion/
- Published: 2025-09-29T15:15:55.000Z
- Updated: 2026-09-25T23:02:55.000Z
- Description: Follow a female mountain lion in the Montana mountains over the course of a decade.
- Author: Cascade PBS Staff
- Tags: Nature, #ZZZ_Show_1b3b1a16-4d15-417c-9287-bc59a89e1201, #geo-us, #v1.5, #ZZZ_Trailer_b6177378-f048-4587-b095-e9f86a3be84a, #trailer

Never-before-seen behaviors are shown in a decade-long mountain lion study throughout Montana’s mountains through the eyes of a female named Willow.