Priorlese Park on the edge of Jnct 4 of the M54.
Bittern wasn't found by me.
Birds I did see.
1 female Scaup
1 Kingfisher
1 female Goosander
10 = Great crested Grebe
Tufted Duck, Pochard and Mallard were well represented.
2 Mute Swan
2 Great black backed Gulls
a few Lesser black backed Gulls
100's of Black headed gulls
another birder saw a Water Rail, which I just missed.