Argentavis magnificens, one of the largest flying birds ever discovered, had a wingspan so wide that it rivaled small aircraft and a body so massive that flight was no simple task. The Prehistoric ...

A wildlife ranger in New Zealand filmed “rare footage” of a fight between a flightless bird and the country’s “largest reptile,” officials said. Photo from New Zealand’s Department of Conservation A ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Argentavis magnificens was so massive it should’ve stayed ...

Perhaps it stole it from other birds, a behavior known as kleptoparasitism, or raided their nests. Alternatively, it may have taken on a more predatory role and snatched smaller birds out of the air ...