Endangered Species

Products marketed to kill rodents are instead threatening the lives of the wildlife that eat them as poisons travel up the food chain.

New genetic tests may reveal the secret to saving the critically endangered Siamese crocodile from extinction.

The unexpected announcement reverses a plan to move people out of critical protected habitats — and puts the nation’s amazing biodiversity at risk.

The removal of the Edwards Dam on Maine’s Kennebec River helped river conservationists reimagine what’s possible.

The gigantic Ozark hellbender salamander is in trouble in the wild, but one zoo — and a hard-working team — is helping to boost its populations.

The ancestors of the newly described Heath’s tick date back to the time of the dinosaurs, but climate change and invasive species could soon wipe the tick out.

Healthy parasites are one sign of a healthy ecosystem, but there’s a lot more to them than that.

Alex Dehgan’s new book The Snow Leopard Project details successful strategies for conserving endangered wildlife — and helping people in the process.

2018 was the second-deadliest year on record for the threatened species — and humans are responsible.

Louisiana-based scientist Brandon Ballengée turns his research on imperiled ecosystems and species into transdisciplinary works of art.