From the StarTribune in Minnesota:

Studying elusive wolves in northern Minnesota is always challenging, but tracking their eating and movements has typically been easier in winter.

Wolves travel in packs this time of year, hunting large prey such as deer and moose. With bare trees and a blanket of white spread over the ground, it’s easier for observers to watch the wild canines and spot evidence of carcasses left from their meals, even from the air.

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