laying periods

[simon]

It seems that swans lay and eggs hatch in the spring. Someone has suggested that black swans lay twice a year – spring and late autumn.
This surely cannot be right?T

[Swan Expert]

Hi Simon

Yes, all swan species, except the Australian Black Swans nest and produce cygnets once a year. Australian Black Swans nest and produce cynets in the spring and late summer/fall. The Regal Swan

[Author]

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