How a tiny Andean mouse survives 22,110-foot peaks, where oxygen is thin, temperatures plunge below freezing, and poisonous plants fill its diet

The Andean leaf-eared mouse is a fascinating species that thrives in high-altitude environments. This diminutive mammal has ...
Smithsonian Magazine

Biologists Find 13 Freeze-Dried Mouse Mummies Atop Andean Volcanoes

High up in the Andes Mountains, the world is a barren mix of rock, snow and ice. Temperatures never rise above freezing. The air is so thin, it’s hard to breathe. At 20,000 feet above sea level, ...