A South American mouse is the world’s highest-dwelling mammal
A yellow-rumped leaf-eared mouse was found 6,739 meters above sea level atop a dormant volcano
![yellow-rumped leaf-eared mouse](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/07/072420_ja_highest-mammal_feat2.jpg?fit=1028%2C579&ssl=1)
A yellow-rumped leaf-eared mouse similar to this one was found scurrying among the rocks at the summit of a dormant volcano on the border of Chile and Argentina, at a record altitude of 6,739 meters (22,110 feet).
Marcial Quiroga-Carmona