
To count the tigers hiding in India’s forests, researchers set out tens of thousands of hidden cameras and waited, and out of nearly 35 million photographs the machines took, the animal they were looking for appeared in only a tiny fraction, each tiger finally known not by a number but by the one thing no two of them share, the pattern of its stripes.
A vast camera trap survey reveals how India's fate will determine whether tigers survive the next century—or vanish entirely.
Sep 2, 2026












