Not all chimpanzees are created equal. Not only are some more intelligent than others, but about half of this variation is genetically inherited.

The largest flying bird in history had a 24 feet wingspan - more than twice that of the biggest living albatross - and dined on fish probably caught in mid-flight over the open ocean, a study has found.

Trevor Mallard's mind-boggling suggestion to harness science to bring the moa back to life will likely end up being much-a-dodo about nothing, writes John Armstrong.

The discovery of 44 critically endangered Archey's frogs just a few kilometres from Whangamata has heartened an amphibian expert.

A native falcon may have lost some of its sight and will spend weeks recovering after being shot.

Conservation Minister Nick Smith says the risk to the tiny number of Maui's dolphins from a new block of land listed for oil and gas exploration is 'small'.

An eerie photo of millions of spiders fleeing flooded farmland in Hikurangi last week has gone viral, after it was posted by a popular science Facebook page.

Research spanning the effects of hormones on a pregnant mother's brain to the potentially negative health effects that pets may have on families can begin.

The fossil of a squid-like creature wiped out with the dinosaurs has been discovered in a Hawkes Bay streambed. What makes it such a 'significant' find for NZ?

Australia is preparing for an invasion by an aggressive and exotic pest that threatens to spread dengue fever to southern capitals.

The dedication and stamina of the worker ant were celebrated in Aesop's Fables - in contrast to the lazy, singing grasshopper.

An animal believed to have been extinct for four million years has been found near Picton.

The more visitors within a five-metre radius of the koalas, the more vigilance behaviour koalas displayed, which puts them in an alert state.

The last remaining 55 of world's rarest species of dolphins could disappear within three decades if New Zealand doesn't act now, wildlife advocates say.

Eighty native birds have been caught on Little Barrier Island and delivered to a new wildlife reserve in the Hauraki Gulf.

Scientists have discovered a pre-historic mainland species of sea lion thought to have been wiped out by Polynesian settlers and replaced by the modern NZ sea lion.

A new study has put even more genetic distance between the extinct moa and their old bush mates, the kiwi, but found similarities with a South American bird.

A research breakthrough could net our economy $125 million each year by combining cutting-edge technology with something New Zealand famously has in abundance - sheep.

In NZ animals are afforded basic rights - including freedom and suffering. Except the 3 million made to take part in experiments, writes Sally Hibbard.

Polar bears may hold the answer to the obesity crisis in their genes, new research has shown.

A critically ill baby kakapo has been nursed back to health at Auckland Zoo. "Heather One", one of only six kakapo bred this season, was 10 days old and severely underweight when she was found on Little Barrier Island in late March.

A dog has killed a male kiwi that was living in the wild just north of Wellington.