Male swans are generally larger than females, so when you see a pair together the larger bird is the male. However, there is some overlap in size; adult males typically range from 6-9 kg and females from 4-7 kg.
Posted in: Black swans

Male swans are generally larger than females, so when you see a pair together the larger bird is the male. However, there is some overlap in size; adult males typically range from 6-9 kg and females from 4-7 kg.
Posted in: Black swans