The world's heaviest insect just got a second chance

Meet the wētāpunga — a cricket-like giant the size of a human hand and the heaviest insect on Earth. On New Zealand's Little Barrier Island, it was down to one shrinking population. Fifteen years of zoo breeding at Auckland Zoo and Butterfly Creek produced more than 11,000 insects, released to ten new wild sites — and scientists have now moved the species from endangered to recovering.