March 2026: Whio Awareness Month

•

March 2026: Whio Awareness Month

Every March, New Zealand celebrates Whio Awareness Month, shining a spotlight on the rare and remarkable whio (blue duck) — a river specialist found only in Aotearoa. With their whistling call, slate-blue plumage, and presence on our $10 banknote, whio are a national treasure. Yet they remain one of our most endangered native birds.

Today, fewer than 3,000 whio survive in the wild, reminding us that conservation efforts are more urgent than ever.

Whio: A True River Specialist

Whio are unique among ducks. They live year-round in fast-flowing, stony-bottomed rivers, feeding on aquatic invertebrates scraped from rocks with their specially adapted bills.

Some of their most distinctive features include:

  • Blue-grey feathers with a chestnut breast.

  • White or pale grey bills tipped with black flaps for foraging.

  • Forward-facing yellow eyes for navigating rapids.

  • Calls that set them apart — the male’s “fee-o, fee-o” whistle and the female’s rattly growl.

Their presence signals healthy rivers, making the whio not only iconic, but also an indicator species for ecosystem wellbeing.

Local Action: Ōwhango Alive

Here in the central North Island, Ōwhango Alive continues to protect whio habitat in the Ohinetonga Scenic Reserve and along the Whakapapa River.

This volunteer group has:

  • Trapped more than 10,000 predators such as stoats and rats.

  • Supported the return of native birdlife.

  • Made local rivers safer for whio pairs to thrive.

Their work shows how community-driven conservation directly impacts species survival.

Looking Ahead for Whio

In 2026, predator control and habitat restoration remain critical. Stoats, ferrets, and rats still pose the greatest threat to whio eggs and chicks, while river health continues to be pressured by land use and climate change.

However, thanks to partnerships between volunteers, DOC, iwi, and conservation groups, there is hope. Together, these efforts give whio a fighting chance for long-term recovery.

How You Can Support Whio in 2026

This Whio Awareness Month 2026, you can make a difference:

  • Learn and share whio stories with your community.

  • Volunteer with local conservation groups.

  • Donate to support predator control and whio protection projects like Ōwhango Alive.

With ongoing support, we can ensure the whio continues to whistle in New Zealand’s pristine rivers for generations to come.

Photo credit: John Martin

Author:

marees