After the moose's mating season comes to an end in late October, the first snow is usually already on the ground in Yellowstone and Grand Teton.
The males quiet down from their violent hormone-driven fights and hang out in groups during the wintertime; supposedly in peace and quiet. Males will be males however and the odd 'practice fight' is never far away ...
I had never seen three bull moose sparring until this winter. Here's three bull moose going at it in Grand Teton National Park!

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