The cygnets are growing rapidly, at 7 weeks old they seem even more advanced than previous years.
As always, Penny and Popeye escort them closely and Penny has now started the annual moult. She will be unable to fly for the next 6 weeks, but Popeye retains his ability to fly until Penny regrows her new feathers - he then Moults in turn.
This has evolved in order that one of the parents can always fly to defend the young - ain't Nature wonderful !
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