Wildlife

The Western drought has exacerbated a water crisis, years in the making, that threatens the health of millions of birds — and so much more.

The American West contains 620,000 miles of fencing, threatening the migration of pronghorn, mule deer and other species.

Years of work in the Pacific Northwest is paying off. It started with preserving the ecosystem so native species would have something to return to.

A serious lack of data about the fate of wildlife saved from illegal trade leads to calls for better information and accountability.

As development of large solar projects speeds up, researchers race against the clock to study the ecosystem implications.

We’ve made a lot of strides in whale conservation, but climate change, plastic pollution and other dangers have emerged.

Atlantic salmon are perilously close to extinction in the United States. Taking down a few dams could go a long way to aiding their recovery, experts say.

Experts say tracking international trade and limiting biomedical use could turn the tide for Asia’s three overlooked horseshoe crab species.

New research suggests that sometimes trying to completely eliminate a problematic non-native species may cause more harm than good. 

Historical pressures combined with new threats from climate change have pushed more than a dozen species close to extinction.