"Kori Bustard"
Kori Bustard is one of the heaviest flying bird. These birds are found in Africa and weight around 18 kg, however, the female one weight half of the male weight.
Kori bustard spends most of their time on the ground as per a report by animal life these birds are on the ground 70% in whole and their excessive weight is the reason why they prefer sitting mostly on the ground and trees.
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