A flush of cleaned wastewater into the Santa Cruz River has restored a fish and wildlife connection in Arizona's Sky Islands.

and thousands of species. It also supports one of the most biodiverse deserts in the world, the Chihuahuan Desert.

In a significant step for conservation, the U.S. Fish and Wildlife Service (USFWS) has proposed listing the eastern hellbender salamander as an endangered species under the Endangered Species Act ...

The US Fish and Wildlife Service proposed listing the monarch butterfly as threatened with extinction under the Endangered Species Act. The law states that a species is labeled "threatened" when ...

The Endangered Species Act affords extensive protections to species the wildlife service lists as endangered or threatened. Under the act, it’s illegal to import, export, possess, transport or ...

(Endangered species are considered close to extinction and get significant protection, while threatened species are considered on their way to being endangered – but aren't there yet. The ...

The Texas Parks and Wildlife shared a video on social media of a group of endangered desert bighorn sheep being airlifted safely across the sky by a helicopter to relocate them in an effort to ...

President Woodrow Wilson in 1916 signed the act creating the National Park Service to leave natural and historic phenomenons ...

The Texas Parks and Wildlife shared a video on social media of a group of endangered desert bighorn sheep being ... the National Wildlife Foundation, two species of bighorn sheep are native ...

two species of bighorn sheep are native to North America and are identified by their “large, curved horns.” The subspecies that was the focus of this relocation operation, the desert bighorn sheep, ...