Wildlife

Why are government contractors clearing trees on a private Texas butterfly sanctuary?

Oceanic plastic poses an increasing threat for these top predators.

Saving freshwater mussels requires scrappy scientists and unlikely allies.

Mosquitoes and climate change carry disease to endangered island birds. Can the threat be reversed?

The Trump Administration announced the bears would lose their protection under the Endangered Species Act.

The founder of SOS Elephants works to save elephants from poachers and other threats.

Facing new threats — including toxins from illegal marijuana grows — the fate of this little-known mammal hangs in the balance.

Programs to protect endangered species face the axe, as does the entire Marine Mammal Commission.

A new study of North American songbirds reveals an ecosystem falling out of balance.

Many species could go extinct if the border wall is built, experts warn.