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?
Artist’s impression of an eastern moa in its podocarp forest habitat. Paul Martinson. Te Papa Tongarewa/Museum of NZ

How did ancient moa survive the ice age – and what can they teach us about modern climate change?

DNA from ancient eastern moa bones is unlocking the secrets of their survival during the last ice age, and providing lessons for today’s threatened species.
North America during the late Pleistocene: a pack of dire wolves (red hair) are feeding bison while a pair of grey wolves approach in the hopes of scavenging. Mauricio Antón

Dire wolves went extinct 13,000 years ago but thanks to new genetic analysis their true story can now be told

Our research shows dire wolves lived in the tropics not the Arctic, and were not especially close relatives of the grey wolf.
To which flag do the kiwi bird’s ancestors belong? New Zealand, Australia or somewhere else? Lakeview Images

Rewriting the origin of New Zealand’s kiwi bird ancestors

New research has shattered the idea that New Zealand’s iconic kiwi bird is a close relative of Australia’s emu. Instead, the kiwi has a closer connection with a giant flightless bird that was the stuff…

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