Vicuñas <em>(Lama vicugna)</em> run across the plains in San Guillermo National Park, Argentina.
How Mange Remade an Ecosystem
A study traces the effects of a mite outbreak from the earth to the heavens.
How Mange Remade an Ecosystem
How Mange Remade an Ecosystem

A study traces the effects of a mite outbreak from the earth to the heavens.

A study traces the effects of a mite outbreak from the earth to the heavens.

trophic cascades
A puma walking through the woods at night
Pandemic Lockdown Eases Mountain Lions’ Fear of Urban Areas
Jef Akst | Jul 2, 2021
Six GPS-tracked wild cats wandered closer to Santa Cruz, California, and surrounding towns as human activity died down under shelter-in-place orders last March.
Slideshow: How Ecologists Study the World’s Apex Predators
Katarina Zimmer | Nov 1, 2020
A global decline of large carnivores has motivated scientists to understand the animals’ ecological roles, and consider whether reintroducing them can help restore ecosystems.
Infographic: How Large Carnivores Sculpt Ecosystems
Katarina Zimmer | Nov 1, 2020
The release of gray wolves in Yellowstone decades ago still stands as one of the few examples of a predator reintroduction, and the lessons learned continue to be debated. New projects aim to do it again.