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Unexpected medical issue grounds Isle Royale wolf-moose survey

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 animals on the remote island park.

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Unexpected medical issue grounds Isle Royale wolf-moose survey

FILE - This Sept. 26, 2018 file photo provided by the National Park Service shows NPS staff unloading a crated gray wolf from a United States Fish & Wildlife Service aircraft at Isle Royale National Park in Michigan. (National Park Service via AP)


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 animals on the remote island park.

Isle Royale is a 134,000-acre (54,200-hectare) island in far western Lake Superior between Grand Marais, Minnesota, and Thunder Bay, Canada. The island, which doubles as a national park, offers scientists a rare chance to observe wolves and moose in their natural habitat, free from human influence. Researchers have conducted an annual survey of the island’s wolf and moose population since 1958.

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