Other butterflies noted / reported were a clouded yellow, two speckled woods, red admiral and a small white.
Offshore 5 common scoter, 6 red-breasted mergansers and 6 great crested grebes were feeding in the flat calm sea.
On the park 40 goldfinches flew out of the alders, 25 linnets in the grazing fields, 2 redpolls, one siskin and a yellowhammer were heard calling in flight over the park.
Birds seen on Sunday 30th included the same five common scoter still offshore from the park and 30 little egrets at the park pond.
A kingfisher was seen near the Oyster Fishery and 14 marsh harriers and a merlin on Langenhoe by Steve Entwistle on Sunday afternoon.