Messingham Sand Quarry - Hobby still there + mystery bird

a bird came out of the reeds in front of the hide but too quick for binocular view. It appeared to be quite brown but larger than a reed warbler size bird but looked slightly smaller than a song thrush ( which it wasn't )
Mute Swan 30
Greylag Goose - just 2
Shelduck 1
Cormorant 9
Grey Heron 1
Snipe 1
Lapwing 70
Moorhen 10
Coot c100
G C Grebe 1
Little Grebe 5
Mallard 27
Teal 80
Tufted Duck 30
Pochard 34
Shoveler 53
Wigeon 91
Gadwall 64
House Martin c 50
Hobby 1
Marsh Harrier 1
Sparrowhawk 1
Kestrel 1
Buzzard 3
B H Gull 35
Common Gull 7
Cettis Warbler 3
Treecreeper 1
Blue Tit 2
Coal Tit 1
Great Tit 2
L T Tit 6
Goldcrest 1
Robin 6
Wren 1
Dunnock 2
G S Woodpecker 1
Jay 2
Jackdaw 2
Crow 4
Magpie 2
Starling 40
Woodpigeon 4