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Clearly it's both of these! I thought Dabchick was more of a vernacular like Bumbarrel for Long-Tail Tit? Or even the now accepted inaccuracy of Hedge Sparrow for Dunnock? Suppose it doesn't matter, just a thought...
Feel free to look at my ongoing (hopefully improving) collection of pictures on Flickr:
Lat/Lng: 52.8596, 0.4462
OS grid ref: TF647319