New Zealand's kākāpō, the world's only flightless, nocturnal parrot, just logged its biggest breeding season on record — and conservationists say the population hasn't looked this healthy in 75 years.

  • 325 kākāpō now alive, up from a modern-era low of just 51 in 1995
  • 90 chicks fledged and added to the official tally this season alone
  • 13 breeding seasons it has taken the recovery programme to get here since 1995
  • 3 predator-free island sites now sustaining the species

From 51 birds to a record season

The kākāpō has always bred in sync with the mast-fruiting cycle of New Zealand's native rimu trees, which seed heavily only once every few years. This year's mass fruiting event triggered the biggest mating frenzy conservationists have tracked, and the 90 fledged chicks officially joined the population count on 1 September once the youngest survivors reached 150 days old.

That single season produced more new kākāpō than the recovery programme managed in its first 16 years combined. The Department of Conservation says the total population has not topped 300 birds in roughly 75 years.

Deidre Vercoe, DOC's Kākāpō Recovery Operations Manager, said the wait made the result sweeter. "We had a four-year gap between breeding seasons, so it's fantastic to finally see the population increase after all that time," she said. "There is still a long road of recovery ahead, but ninety chicks in a single season is a record."

Why it took three decades

Kākāpō recovery has never been simple. The species suffers from low genetic diversity after its population bottleneck, which has historically caused high rates of infertility and poor hatching success. Every bird alive today is individually tracked, fitted with a small radio transmitter, and managed across three predator-free sites: Whenua Hou/Codfish Island, and Fiordland's Pukenui/Anchor Island and Te Kāhaku/Chalky Island.

"In the early years of recovery, it took 16 years to produce that many chicks."

That comparison, from Vercoe, captures how much the programme's methods have improved — remote nest-monitoring technology, supplementary feeding regimes, and decades of genetic management by DOC and Ngāi Tahu have steadily raised hatching and survival rates.

A gradual return to the wild

This season, the team deliberately trialled lighter-touch management: fewer manual egg and chick checks, leaning more on remote sensor data, and reduced supplementary feeding. Te Rūnanga o Ngāi Tahu representative Tāne Davis said the goal is shifting from constant intervention toward something closer to natural breeding.

"Our focus is increasingly on determining where intensive intervention is still needed and where we can start to return to more natural levels of kākāpō breeding outcomes," Davis said. He also pointed to a longer-term ambition: a predator-free Rakiura (Stewart Island), ancestral home to nearly every founding bird in the modern population.

A sign of that shift: for the first time in the programme's history, a small number of this year's chicks will go unnamed, rather than the custom of hand-naming every bird the following February.

None of this happens without sustained outside support. Meridian Energy, the programme's national partner since 2016, says the population has grown by more than 200 birds in the decade since it joined. DOC's early modelling now suggests the next breeding season could arrive within two years rather than four — meaning the next chapter of the kākāpō's recovery may not be far off.