Largest prehistoric flying bird

According to Official Guinness Records,

The largest known flying bird was the giant teratorn Argentavis magnificens, which lived in Argentina about 6-8 million years ago. Fossil remains discovered at a site 160 km (100 miles) west of Buenos Aires, Argentina in 1979 indicate that this gigantic vulture-like bird had a wing span of over 6 m. (19 ft 8 in) (possibly up to 7.6 m (25 ft)) and weighed about 80 kg (176 lb).

For a complete list of 1979 records, please visit 1979 Guinness Records in Argentina.

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