Wolves in Minnesota switch to fish as a main source of food in the spring

A team of wildlife specialists from the University of Minnesota, the University of Manitoba and Voyageurs National Park has found that wild wolves living in Minnesota tend to switch from feasting on larger prey to fish as their main source of food in the spring. In their study, reported in the journal Royal Society Open Science, the group used a variety of methods to study the eating behavior of wolves in Minnesota over a four-year period.

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