Mammals

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

This vulnerable, fish-eating small carnivore still lives in stream-fed forests of northeastern Bangladesh and other countries. But it faces increasing threats.

Pursuing unorthodox queries about smaller, “uncharismatic” species often comes with difficult hurdles, as one researcher found out.

Writer Kathleen Dean Moore turns her ear to nature’s sounds and what we’re losing as species disappear.

Last year the United States racked up nearly $100 billion in damages from weather and climate disasters. These events are starting to take their toll on wildlife, too.

The new book Cougar Conundrum looks at the “ecosystem services” argument for convincing predator-wary people to appreciate big cats.

Videos of people getting too close to, and touching, the rare apes motivates other people to want to do the same — and that could spread diseases like COVID-19 to a critically endangered species.

Scientists have rediscovered the endangered Mindo glassfrog, which hasn’t been seen in decades. And it’s just one of many remarkable species they’ve found in an at-risk habitat.

New research indicates a growing online trade in porcupine bezoars — a ball of inedible material that sometimes gathers in their digestive tracks.

Wolves often get the blame for killing caribou in Canada’s boreal forests, but the real threat is human activity, new research finds.