Latest Rolf Peterson Stories
During their annual Winter Study at Isle Royale National Park, scientists from Michigan Technological University counted nine wolves organized into one breeding pack and a second small group that is a remnant of a formerly breeding pack.
Researchers from Michigan Technological University studying the wolf population at Isle Royale National Park were bewildered as to why there was a significant decline in the numbers of wolves on the northwest island on Lake Superior during their 2012 Winter Study.
It's seen as a sign of getting old, but scientists have discovered that arthritis is not just a human problem as a study lasting 50 years reveals how moose suffer from an identical form of the condition.
Nearly thirty gray wolves living on an island chain in northwestern Lake Superior have backbone malformations as a result of genetic inbreeding, presenting yet another hurdle for the wolvesâ€™ long-term survival, wildlife experts say.
Because of its isolation, the Isle Royale National Park is an ideal setting for wildlife study - and researchers are noting a troubling development: the island's wolf and moose populations are declining.
For campers at Isle Royale National Park, sighting a gray wolf is a rare and thrilling experience. At least, it has been. But some wolves have gotten a bit too familiar this summer, wandering into camping areas and showing little of their customary fear of people.
Rolf Peterson has chronicled with endless fascination the not-so-peaceful coexistence between wolves and moose on Isle Royale, a wilderness national park in Lake Superior whose isolation provides a rare setting for predator and prey to interact with minimal human contact.
Gnawing leisurely on the remains of a moose carcass, the wolf pack's alpha male seemed unaware that mortal danger was coming ever closer.
Mercilessly hounded by blood-sucking ticks, the Isle Royale moose herd is on a downward spiral - and the wolf packs that roam the national park in Lake Superior are taking advantage.
- An imitative word; an onomatopoetic word.