Heaviest extinct flying bird
- Who
- Argentavis magnificans
- What
- 72 kilogram(s)
- When
- 01 January 0001
The heaviest extinct flying bird was the condor-like vulture Argentavis magnificans which is estimated to have weighed 72 kg (1,581 lb). Its fossil remains were discovered in 5-8 million year old Miocene deposits in Argentina.