What is the largest possible bird with the ability to fly, taking into account the square-cube law? - Quora
![Argentavis magnificens were the Biggest flying birds to ever exist. Distant relatives of the Condors they had a wingspan of nearly 20ft. Only Pterosaurs weighed more than this bird : r/Naturewasmetal Argentavis magnificens were the Biggest flying birds to ever exist. Distant relatives of the Condors they had a wingspan of nearly 20ft. Only Pterosaurs weighed more than this bird : r/Naturewasmetal](https://preview.redd.it/p4zaexyhg5n01.jpg?auto=webp&s=f7069cda6b6570d2915987201b3c5a4bf0e67fdb)
Argentavis magnificens were the Biggest flying birds to ever exist. Distant relatives of the Condors they had a wingspan of nearly 20ft. Only Pterosaurs weighed more than this bird : r/Naturewasmetal
![Nobu Tamura on Twitter: "The largest flying bird: #Argentavis magnificens https://t.co/n9agUZJJBE https://t.co/lqO7slYL0P" / Twitter Nobu Tamura on Twitter: "The largest flying bird: #Argentavis magnificens https://t.co/n9agUZJJBE https://t.co/lqO7slYL0P" / Twitter](https://pbs.twimg.com/media/CaLCxH5UYAA1G_2.jpg)