An artist’s depiction of the Rēkohu shelduck. Sasha Votyakova/Te Papa

The discovery of an extinct shelduck highlights the rich ancient biodiversity of the remote Rēkohu Chatham Islands

Many birds on Rēkohu Chatham Islands show how ‘island syndrome’ influences evolution – they are distinct but remain closely related to species on the mainland.
Royal spoonbills are among several new species that have crossed the Tasman and naturalised in New Zealand. JJ Harrison/Wikimedia Commons

Loss of forests brought new birds to NZ during the last Ice Age – we’re witnessing a similar process now

When landscapes change, exotic species take advantage of new habitats. Such a pulse of colonisation coincided with the Ice Age some 2.6 million years ago.
Takahē are one of Aotearoa New Zealand’s conservation success stories. Now new research has shed light on their evolutionary history. Oscar Thomas

Humans, rats and dogs pushed the takahē into Fiordland – new genetic research maps its dramatic journey

Examining the DNA of the takahē has upended long-held beliefs about how the flightless bird ended up on the southwestern tip of New Zealand. This new knowledge can help future conservation efforts.
Te mokomoko a Tohu – Aotearoa New Zealand’s newest species of gecko. Nick Harker/All rights reserved

Meet te mokomoko a Tohu: a new species of New Zealand gecko hidden in plain sight

A new gecko species in New Zealand was named te mokomoko a Tohu in consultation with a local Māori tribe. This could be a good example for how taxonomists might approach the naming of new species.
The upokororo, or New Zealand grayling (Prototroctes oxyrhynchus) Te Papa CC BYNC-ND 4.0

From fertiliser to phantom: DNA cracks a century‑old mystery about New Zealand’s only extinct freshwater fish

Historical accounts show the upokororo was once common in rivers across the country. It’s now officially extinct, but is there a chance survivors could still be found in remote waterways?

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