Scientists have found what could be the largest "terror bird" ever known, from a fossil in Colombia's Tatacoa Desert, according to the journal Papers in Palaeontology ...

Enter Argentavis magnificens, a prehistoric relative of the Andean ... and weighed around 70 kilograms (154 pounds)—making it the largest flying bird to ever exist. Scientists believe it flew ...

The magnificent Andean condor is the world's biggest bird of prey, with a wingspan maxing out at around 3.2m, and weighing up to 15kg ...