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A Call to Conserve: Keeping Public Lands Wild and Ensuring Humane Treatment for All Creatures
By Thomas D. Mangelsen Imagine a classic Western movie or TV show—one that falls under the genre of “cowboys and Indians”—but with no horses in the scenes. Imagine “ranching culture”

Oppose BLM Plans to Eradicate 5,500 Wild Horses from Southern Wyoming
A Personal Message from Thomas D. MangelsenDiscover Tom’s heartfelt message on the importance of preserving public lands and ensuring the humane treatment of all creatures. A Call to ConserveExplore the

Stories, Science, and Sprawl: A Closer Look at What’s Threatening the Greater Yellowstone Ecosystem
Stories, Science, and Sprawl: A Closer Look at What’s Threatening the Greater Yellowstone Ecosystem Read the full 2024 GYE Sprawl Study👉 Download the report here Missed the event?👉 Catch

Grizzly 399’s Legacy Honored with Special Tribute
Whiskey’s Named After Wyoming Legends Grizzly 399, one of the most beloved and famous bears of the Greater Yellowstone Ecosystem, has long captured the hearts of wildlife enthusiasts around the

Mangelsen LIVE! A Night of Stories, Science, and Conservation
An Evening with Nature’s Champions: Thomas D. Mangelsen & Dr. Christopher Servheen Watch the recording of the event here! https://www.youtube.com/watch?v=hVuOrK2pJIM Mark your calendar—Thursday, April 17, 7pm MT ( 6pm PT

Join the Nation-wide Park Rallies – THIS SATURDAY, March 22, 2025
Last month, thousands of voices came together for the first National Park Rally, standing up for the protection of our most treasured landscapes. Now, we’re gathering again this Saturday to