Michigan Technological University
Key findings include:
- A doubling of the wolf population, now estimated at 28 total wolves. "Each time we carried out aerial surveys this winter, we saw wolf tracks across many parts of the island and we also regularly saw groups of wolves traveling or resting together," said Hoy. "It is such a pleasant change from five years ago when there were only two wolves on the island and the future of the wolf population looked pretty bleak. It just goes to show how quickly wolf populations are able to thrive in places where they are free from persecution."
- A 28% decline in the moose population, from 1,876 to 1,346. Wolf kills accounted for 8.7% of the moose mortalities, the highest predation rate since 2011. Other challenges for the moose include blood-sucking winter ticks that weaken the animals, and spruce budworm infestations that kill balsam fir, their preferred winter food. "Over the past year we found an unusually high number of moose that appear to have died due to malnutrition," Hoy said. "The population appears to be suffering from a food shortage, especially in winter when moose don't have many good options of things to eat."
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