Climate change is melting away glaciers around the world, but in the Andes Mountains, a wild relative of the llama is helping local ecosystems adapt to these changes by dropping big piles of dung.

These small wild camelids have a singular habit: they always defecate in the same place, forming what scientists describe as veritable “latrines.” These areas, rich in organic matter ...

Crusty, thick skin shows the impacts of mange on a dead vicuña found in Argentina’s San Guillermo National Park. Credit must be given to the creator. Only noncommercial uses of the work are ...