Seventeen days ago I checked my Tree Sparrow colony, so another visit was now due. I found 7 incomplete clutches and one with very young chicks, maybe a day old, the rest of the boxes were either empty or still at various stages of building.
The 2 boxes that had half built nests of moss now contained a sitting Blue Tit and Great Tit.
The woodland site had 14 boxes with incomplete clutches belonging to either Blue or Great Tits, the other 18 were empty, but i'm still hoping for a few late comers to take up residence.
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