Seal - on the mud near coalhouse fort on the other side of the river.
Cormorant
Black Headed Gull
Great Tit
Magpie
Avocet
Heron
Corn Bunting
Crested Grebe
Greylag Goose
Shelduck
Common Gull
Mallard
Canada Goose
Blackbird
Swift
Little Egret
Coot
Tree Sparrow
Oyster Catcher

thanks to Mike Dutton for these