Big, bigger, biggest...
The male Kori Bustard is the heaviest bird that can fly! It can weigh up to 18 kg.
Of course the Ostrich is heavier (max 156 kg) but it can't fly...
The four biggest flying birds in the world (length / weight / wingspan):
- Kori Bustard (150cm / 18kg / 275cm)
- Dalmatian Pelican (183cm / 15kg / 345cm)
- Trumpeter Swan (180cm / 12,7kg / 250cm)
- Andean Condor (130cm / 15kg / 320cm)