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Rare & Endangered Species
Explore rare and endangered species, the environments they depend on and the evidence used to understand threats and conservation efforts.

EDITOR’S PICK
The Species That Returned After Scientists Thought It Was Gone
Meet species rediscovered after decades out of sight, from the Fernandina tortoise to the cahow—and learn why rediscovered does not mean recovered.
Sep 16, 2026 • 6 min readRead the discovery →LATEST
Latest discoveries
New stories, explanations and research from Rare & Endangered Species.