Cougar Silhouette

Ghost Cats of the East

Why do people claim to see cougars in the eastern United States when the cats are now extremely rare in that part of North America?
Bobcat kittens

Fighting Wildlife Crime With Forensic Genetics

How can law enforcement officials help save endangered animals from poachers? Techniques of forensic genetics used in human crime scene analysis are entering the fray.
Spotted Owl sitting on a tree branch

Scientists Turn to Spotted Owls to Understand Wildfire Patterns

To better understand how the warming climate affects wildfires, Scientists are turning to Spotted Owls that evolved to deal with such disasters.
Restoration of an American mastodon herd by Charles R. Knight

This Week in Sustainability: From Ice Age to Internet Age, Scientists Look for Clues to Species’ Extinctions

Scientists explore the causes--climate change, habitat destruction, and more--that decimated animals and humans alike, from Ice Age to Internet Age.
Sumatran Tiger

Do Wildlife Corridors Work?

In Sumatra, a network of corridors linking endangered populations of orangutans, tigers, and other wildlife is under development.
Cougar

Bringing Back the Cougars

A controversial proposed solution to the Eastern United States' deer population problem.