New Zealand wētāpunga insect moves from endangered to recovering

The wētāpunga, recognized as the world’s heaviest insect, has seen a significant conservation breakthrough in New Zealand. Following a 15-year breeding and release program led by Butterfly Creek and the Auckland Zoo, more than 11,000 specimens have been released into protected environments.

As a result of these efforts, the species' status has improved from ‘nationally endangered’ to ‘nationally recovering.’ The wētāpunga, which can weigh as much as a mouse, faced severe threats from invasive predators like rats and stoats, leading to its disappearance from the North Island during the 1990s.

The program utilized specialized captive breeding, providing nymphs with a diet of fresh foliage and fish scale proteins to ensure strength before release. This initiative, involving 45 separate transfers, has helped establish self-sustaining populations in predator-free habitats and serves as a model for other biodiversity conservation efforts.