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Key Species of Concern 
Dall's Sheep in Yukon-Charley Rivers
Learn about Dall's sheep and the 2024 & 2025 hunting closures in Yukon-Charley Rivers 
Peregrine Falcons
Peregrine falcons nest on the Yukon & Charley Rivers bluffs. Available nesting space is potentially a population-limiting factor. 
Wolves
Wolf populations are monitored each winter in the preserve by aerial surveys and radio-collared individual wolves. 
Birds
Species distribution, passerines, and ptarmigan research | |
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Last updated: June 26, 2024