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Yellow-bellied marmots usually weigh from 1.6 to 5.2 kilograms (3.5 to 11.5 lb) when fully grown, though males typically weigh more than females. They have a brown coat, a white patch of fur between the eyes, a reddish-brown tail, and a yellow orange belly, from which they get their name. Their ears are small and round, and they have a short white muzzle with a black nose. They get fatter in the autumn just before hibernating. This one seemed to be monitoring the neighborhood to warn the family about possible predators. We found her because it was whistling.
Tuolumne Meadows, Yosemite NP, CA.
Lat: 37.88, Long: -119.36
Spotted on Sep 18, 2014
Submitted on Dec 25, 2014
and 14 other people favorited this spotting