Report May 6, 2016

Wolves at Isle Royale: Scientist Letter

Scientist letter for Isle Royale National Park (207 KB)

In October 2015, a group of almost 50 scientists sent National Park Service Director Jon Jarvis a letter urging NPS to “take immediate action to bolster the population of wolves on Isle Royale. Wolves play an important role in ecosystems through their predatory activities.”

Right now there are only two wolves left on Isle Royale, the lowest population at the park in over 50 years. The question now is what should be done about the dwindling wolf population.

NPCA believes that reintroducing wolves to Isle Royale is the best method for protecting the long-term survival of moose while supporting a balanced and sustainable ecosystem at the park.

Read more from NPCA

  • Blog Post

    Bulldozing 'America's Front Yard'

    Jun 2026 | By Edward Stierli

    The Trump administration is bypassing congressional oversight, preventing public participation and disregarding the laws that protect places that belong to all Americans.

  • Blog Post

    5 National Parks Most Threatened by Mining Exploration

    Jun 2026 | By Charlie Olsen

    Demand for critical minerals is surging worldwide, fueling a 21st-century gold rush across the United States — and some of our nation’s most iconic landscapes are directly in its path. 

  • Blog Post

    Qué esperar al visitar los parques en el verano de 2026

    Jun 2026 | By Cassidy Jones

    ¿Planeas visitar un parque esta temporada? Prepárate para el tráfico, las multitudes y las situaciones impredecibles.