WEIR. Just 1 trout jumping. Dipper & Grey Wagtail.
TOP LODGE. Grey Heron. 4Blk.H.Gulls. & 2 Moorhen.
BIG LODGE. Cormorant (caught a fish & 8 Blk.H.Gulls tried in vain to get the fish). App.180 Blk.H.gulls. 3Mute Swans & 2Juv. 2Moorhen. 2Coot. 48Mallard.
according to a web page I've just visited.
If it stays a year thats 547.5 lbs of fish.
and if it breeds, then its partner will wont the same quantity and the young will need feeding to.