Due to environmental conditions, competition for resources and fishing, the typical life span for a lake trout in Lake Superior is 25 to 30 years. Prior to this discovery, the oldest known lake trout ...

Managers of the remote island made the decision after noting the wolves had grown reliant on human food sources and had been ...

Researchers from Michigan Tech University were unable to conduct their annual wolf-moose survey on Isle Royale this past winter. A last-minute medical issue grounded their ski-plane pilot, and no ...

ISLE ROYALE (AP) — Researchers from Michigan Tech University were unable to conduct their annual wolf-moose survey on Isle Royale this past winter. A last-minute medical issue grounded their ski ...

A last-minute medical issue grounded researchers’ annual wolf-moose survey on Isle Royale this past winter, marking yet another year that scientists have run into problems trying to count the ...

A medical issue grounded Isle Royale's wolf-moose survey this winter, delaying annual population estimates.

A last-minute medical issue grounded researchers' annual wolf-moose survey on Isle Royale this past winter, marking yet another year that scientists have run into problems trying to count the ...