It's all so confusing: In Minnesota, we're told that the moose population is decreasing because of CO2-induced mild winters; we're also told that the moose population on an island 15 miles away has doubled in five years because of mild winters and lack of wolves

Wolf Population on Isle Royale Drops to Lowest It Has Ever Been | Michigan Tech News

The weather during this year’s winter study was very mild with relatively little snow, which usually works to the advantage of moose. The average daily snow depth was 36 centimeters, well below the 1974-2011 average of 44 centimeters. In early March, warm weather quickly reduced the snowpack, Vucetich and Peterson note in their just published annual report.

...Predictably, with fewer predators, the moose population is increasing. The scientists, who count moose during their annual winter study, believe there are now approximately 750 moose on Isle Royale.

2007: Wolves, ticks thin Isle Royale moose herds - JSOnline

Since 2002, the number of moose on the island has declined from 1,100 to 385, following a dramatic increase in winter ticks.

Denali wolf kill 2 0f 2 - YouTube

Denali National Park and Preserve's Grant creek Alphas and sub-adults kill young moose calf