The territory of a yellow-bellied marmot is about 4 to 7 acres including a number of summer burrows. Marmots choose to dig burrows under rocks where predators are less likely to see them. They live at elevations typically above 6,500 feet in the western United States.
Marmots reside in colonies of about ten to twenty individuals. Each male digs a burrow soon after awakening from hibernation. When a marmot sees a predator, it whistles to warn all other marmots in the area then hides in a nearby rock pile.
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