Guam’s Forests Have an Unlikely Ally: Feral Pigs

Guam’s Forests Have an Unlikely Ally: Feral Pigs

Shortly after World War II, brown tree snakes arrived on the Pacific island of Guam. They likely stowed away on a military plane or perhaps a cargo ship; the precise origins are shrouded in mystery, but not what happened next. The snakes, who had no natural predators...
The ghosts of nature’s past are making a comeback

The ghosts of nature’s past are making a comeback

Alligators live in fresh water. They can handle a few hours of saltwater, maybe a day at most, but fresh is their natural home. It’s textbook biology — yet people keep finding alligators where they’re not supposed to be. In the Florida Keys, for example, they’re...
An endangered animal thrives in a novel ecosystem

An endangered animal thrives in a novel ecosystem

On the outskirts of Melbourne, Australia are habitats unlike any found in that continent’s history: narrow strips of vegetation along roads, railways and drainage canals, containing a mix of native and exotic plants. Embedded in a larger landscape dominated by farming...