Why Study Prey Cycles
Research in the Park
Park scientists have been monitoring snowshoe hare and willow ptarmigan populations in Denali since 1988. This data shows long-term changes experienced by both species. Hare and ptarmigan populations will continue to be monitored as part of routine field work.
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Holder K and Others. 2004. Genetic diversity and management of Nearctic rock ptarmigan (Lagopus mutus). Canadian Journal of Zoology. 82(4):564-575
Last updated: August 1, 2018