Back to today’s briefing

Story perspectives

Health Crisis Halts Isle Royale Wolf-Moose Survey Again

7/16/2025

40 7

Summary

Story summary

A last-minute medical issue grounded researchers, halting the annual wolf-moose survey on Isle Royale, Michigan, for the third time in five years. With the wolf population dwindling to just 30 and moose numbers dropping to 840—a 14% decline since 2023—hope remains for a new survey next winter to assess these iconic species.

1 of 1

Story summary

A last-minute medical issue grounded researchers, halting the annual wolf-moose survey on Isle Royale, Michigan, for the third time in five years. With the wolf population dwindling to just 30 and moose numbers dropping to 840—a 14% decline since 2023—hope remains for a new survey next winter to assess these iconic species.