Despite conservation efforts, Puerto Rico is still home to 16 species that are considered threatened, endangered, or at risk ...

The proposal is among the more high-profile actions taken under the Endangered Species Act by the Trump administration, which ...

Best available science or best possible? Conservationists say the latter could mean doom for many species on the brink.

Current laws that deem species safe from extinction ignore their ecological role, geographic range and genetic diversity, as ...

The Olympic marmot is endemic to the mountains of the Pacific Northwest and have faced threats from climate change and coyote ...

When Coloradans narrowly voted to reintroduce wolves in 2020, they were told it would restore Colorado’s natural balance and ...

Some of us have been fighting for salmon for more than three decades. To understand the resolve of salmon advocates — and the frustration so many of us felt when the federal government recently ...

The Center for Biological Diversity is suing the Donald Trump administration over its refusal to address the declining marmot ...

The Center for Biological Diversity filed the lawsuit in federal court in Seattle over a year after first petitioning for ...

The missed-deadline lawsuit filed in Seattle’s federal courthouse catches the Fish and Wildlife Service where it is often ...

Livestock associations are questioning whether Colorado Parks and Wildlife violated the federal Endangered Species Act when ...

Wolves are under federal protection, so new hunting and trapping rules taking effect in Wisconsin would apply to potential ...