The world is currently experiencing its sixth mass extinction, with potentially thousands of species lost every year.

Tiny Kiwi and Giant Elephant Bird Are Close Cousins A new genetic analysis shows that flightless birds, or ratites, did not evolve from a common flightless ancestor as had been previously thought ...

WELLINGTON, New Zealand --Research linking New Zealand's diminutive kiwi with a giant extinct bird from Africa is prompting scientists to rethink how flightless birds evolved. A report published ...

Strange Relatives: Little Kiwi, Giant Elephant Bird Linked by DNA Scientists have identified the closest relative of New Zealand's famed kiwi, a shy chicken-sized flightless bird.

WELLINGTON, New Zealand (AP) — Research linking New Zealand’s diminutive kiwi with a giant extinct bird from Africa is prompting scientists to rethink how flightless birds evolved. A report ...

Researchers from New Zealand will try to revive extinct birds, with help from Colossal Biosciences and film-maker Sir Peter ...

Madagascar’s extinct elephant birds – the largest birds ever to have lived – have captured public interest for hundreds of years. Little is known about them due to large gaps in the skeletal fossil ...

The iconic flightless kiwi bird, a national symbol of New Zealand, may actually have evolved from an Australian ancestor, according to new research.

Colossal Biosciences plans to revive the extinct giant moa using DNA edits, sparking debate over de-extinction ethics and the ecological role of GMO animals.