Stockers Lake, RickmansworthStockers lake is one of the oldest gravel pits in the Colne Valley. Wintering ducks include goldeneye, gooseander, smew, shoveler plus all the usual species. In spring the warblers include sedge, reed, blackcap, willow, whitethroat and garden. The heronry has up to 70 breeding pairs and common terns nest on the rafts provided. Allow 3 to 4 hours for the walk round so you can include Springwell lake (signposted) in spring where cuckoo and cetti's warbler can be heard and seen. Stockers field on the other side of the canal should be checked for little ringed plover, little owl and lapwing.
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