Having one visit our garden on a regular basis is obviously a great advantage (and privilege)
However, I well remember an early morning visit to the RSPB's Fowlmere reserve here in Cambridgeshire some 25 years ago when, close to one of lake edges, I came across a temporary hide (with no one in it at the time) overlooking a small area where the reeds had been cleared, a perch branch had been stuck into the water and an area of the shallow water beneath the perch had been cordoned off with very fine wire mesh pushed into the lakebed. Within that area there were a number of minnows which I presumed had been put there to lure a Kingfisher.
Sure enough, a couple of months later the cover of Birds magazine featured a cracking photo of a Kingfisher taken at Fowlmere by an RSPB staff photographer and I immediately recognised that same perch branch!
Jeff