Tree Sparrow @ RSPB Pullborough meads
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Tree has a brown cap and a dark spot on a white cheek which is clearly separate within the white. Sometimes, House seems to show a dark patch on the cheek, but it is never a separate spot. The bib on Tree is not as large as on House, usually, either.
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Lat/Lng: 50.9407, -0.4879
OS grid ref: TQ063167