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The Latest Breaking News from Isle Royale

Isle Royale wolves inbred but likely to survive, study says

Researchers have found that wolves brought to Isle Royale in 2018 are likely to survive but face challenges from inbreeding and isolation

The Independent UK · Sep 30

Hiker Found After Weeklong Search: 70-year-old located alive by backpackers; Coast Guard airlifts him

Hiker Found After Weeklong Search: 70-year-old located alive by backpackers; Coast Guard airlifts him

After being missing for a week, 70-year-old hiker Craig Berg was miraculously found alive on Isle Royale on September 12. The search efforts proved critical, with fellow backpackers aiding in his discovery despite his injuries and hypothermia. Following his rescue, he was airlifted for urgent medical care, bringing an end…

The Times of India · Sep 17

In 2018, scientists moved wolves to isolated Isle Royale island to rebuild its ecosystem; five years later, their population had grown to at least 27

In 2018, scientists moved wolves to isolated Isle Royale island to rebuild its ecosystem; five years later, their population had grown to at least 27

On Isle Royale National Park, wildlife managers achieved a remarkable feat by successfully reintroducing wolves in 2018. Since then, these wolves have formed packs and have been reproducing annually, reaching a population of at least twenty-seven wolves by April 2023. Nevertheless, the genetic diversity of the population poses a significant…

The Economic Times · Sep 8

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In 2018–2019, the U.S. relocated 19 wolves to Isle Royale after inbreeding left just two; by winter 2026, researchers estimated 37 wolves and about 524 moose

Isle Royale National Park's wolf population was restored after decades of inbreeding caused its collapse. Researchers reintroduced nineteen wolves from mainland areas during 2018 and 2019. This predator reintroduction effort significantly reduced the island's moose population by seventy-five percent. The wolves now regulate the moose numbers, creating natural predator-prey cycles…

The Times of India · Aug 7

National Park Service says deaths of 2 backcountry campers on remote Isle Royale not wildlife-related as FBI assists in investigation

Park rangers say there is no threat to the public, but have released few details

Advnture · Jun 11, 2025

Best National Park in the US? It's not Yellowstone, Yosemite or the Great Smokies, according to new list

This National Park draws fewer crowds than its more popular counterparts, but is still rated highly for hiking trails and wildlife sightings

Advnture · Jul 9, 2024

"We’re incredibly disappointed" – warm weather halts Isle Royale wolf and moose count for first time in 65 years

The research project is the longest-running study on predator/prey populations in the world

Advnture · Feb 9, 2024

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Wolves returned to Isle Royale National Park 5 years ago, and they’re thriving

Wolves returned to Isle Royale National Park 5 years ago, and they’re thriving

We speak to a researcher about the recent report on the Isle Royale Wolf-Moose project

Advnture · Jun 21, 2023

Wolves that nearly died out from inbreeding recovered, now helping a remote island’s ecosystem

Wolves that nearly died out from inbreeding recovered, now helping a remote island’s ecosystem

Grey wolves are thriving at Isle Royale National Park five years after they nearly died out

The Independent UK · Jun 14, 2023

Isle Royale wolf population surges after nearly dying off

Isle Royale wolf population surges after nearly dying off

The gray wolf population at Isle Royale National Park is healthy once more

The Independent UK · Aug 24, 2022

Isle Royale moose may have been oldest ever

ISLE ROYALE NATIONAL PARK, Mich. — Rolf Peterson, the Michigan Tech researcher who has spent the last half-century studying moose and wolves on Isle Royale, has documented one of the oldest wild moose on record.

Tribune News Service · Jan 26, 2022

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