One may be the loneliest number for humans, but some mammals fare better when they are on their own. Take, for instance, the yellow-bellied marmot. As Douglas Quenqua reports for the New York Times, ...

A Himalayan marmot. (Credit: Yuanqing Tao) How do animals live in the cold, oxygen-starved environments of the high mountains? Himalayan marmots — beaver-ish rodents of unusual size — may have an ...

Large ground squirrels called yellow-bellied marmots live much longer, on average, if they are less social and more isolated than if they are more social and less isolated, a long-term study has found ...

One of my favorite things about hiking near the top of mountains is the transition between the alpine and subalpine communities. In this area, I am prepared to hear “eeps” and “peeps” and “sweaks” ...

EAGLE COUNTY — Marmots and pikas are neighbors in the rocks on the alpine tundra, but their morphology, appearance and survival strategies are dramatically different. Marmot Yellow-bellied marmots ...

Hiking across Vancouver Island’s Mount Washington, marmot keeper Jordyn Alger is perplexed. “I’ve never not seen a marmot on a walk here before,” she says. Despite her radio-tracking equipment, she’s ...

We often see these brown, round, furry critters sitting on top of rocks high in stunning alpine settings. We hear their whistles as we hike above timberline along with the “eek!” of the pika.