And now for something completely different - a tale of flying kākāpō sperm. The mind does slightly boggle, but it's actually the latest innovation the Department of Conservation is using in its bid to boost the population of the flightless parrot. Kākāpō Files producer Alison Ballance was on Whenua Hou / Codfish island and filed this report.
You can listen to a longer story about the spermcopter in episode 10 of the Kakapo Files: flying kākāpō sperm.