When volunteers started helping kōkako in the Hūnua Ranges there was just one breeding pair left. But it wasn’t too late – thirty years later, there are more than 250 pairs.

Many people recognise the influence that the moon phase can have on hunting, fishing and gardening. It’s the same with trapping predators.   

Nature conservation really, actually works, and control of invasive species shows the largest positive impact, according to a new global study.