A sweet little guy indeed!
I miss them much in the Alps recently. I have only seen one during the last three years. Fact is, I was only on the skiing part of glacier, not anywhere off.
I heard a story about a marmot falling asleep and lying in the middle of the asphalt road to the glacier. The driver had to literally carry him away...
Another story is a few dacades older. There was a permanent snowfield in the Tatra Mountains in Slovakia. It was practically the only place we could ski and train in summer. It was not easily accessible and a hike/climb of almost 400-m (1,300 ft.) elevation was inevitable every day. We used to let everything we could there, i.e. also skis and boot shells. There´s a story from the days of leather buckle boots about a skier who found just the buckles and rivets one morning, the rest of his boots having been eaten by the marmots.
I don´t think this is completely true but after the marmots devoured most of my foodstuffs I stored there under a fairly heavy rock I know what the little bas*ards are capable of.
Still, I insist they are sweet little guys.