Nature’s Course: Wolves of Isle Royale Supplemental Materials

Presentation with Dr. Rolf Peterson of Wolves and Moose of Isle Royale

News About Isle Royale

NPS Releases Four More Wolves on Michigan’s Isle Royale

March 4, 2019

Before the National Park Service began its wolf relocation project last fall, the last two wolves to call Isle Royale home were at risk of vanishing from the island altogether, along with the island’s ongoing wolf-moose study that began nearly 60 years ago. The wolf relocation project is a part of a planned “genetic rescue”…

Two Wolves Released on Isle Royale!

September 27, 2018

With only two wolves remaining on Isle Royale, wolves are at risk of vanishing from the island altogether along with the island’s ongoing wolf-moose study that began almost 60 years ago. The last wolves remaining are a male-female pair are who have low chances of producing healthy offspring due to years of inbreeding among the…

NPS May Soon Restore Wolves to Isle Royale

March 17, 2018

Friday, the National Park Service (NPS) tentatively decided to transport 20-30 gray wolves to Isle Royale in Michigan over the next three years to replenish a population that has nearly died out because of inbreeding and disease. Currently, the Lake Superior island remains home to just two wolves. But a strong wolf pack is needed…

Climate Change, Wolves, and their Future on Isle Royale

October 19, 2013

Though several factors have played a role in the Isle Royale wolves’ demise, Biologists Rolf Peterson and John Vucetich assert that the most prominent cause of their plight is something far less direct. The wolves, they say, are dying because of climate change. Lake Superior average temperature has increased by 4 degrees in 25 years.…

The Wolves of Isle Royale Face Extinction

March 31, 2011

Rolf Peterson of Michigan Tech University was the lead biologist on Isle Royale for decades. In this photo, Peterson gives WCC educators an opportunity to help process an elk that was taken down by Yellowstone wolves. The number of wolves that call Lake Superior’s Isle Royale home has dwindled to just 16 with only two…