Mammals

Plus what Maine did right (and wrong), billionaires in space, and rebranding invasive species.

Efforts to broaden local participation for the conservation of this rare cat are currently ongoing across its global range.

This miniature monkey from Brazil faces a losing battle with disease, invasive species and an ever-shrinking habitat.

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.

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.