Where once were many Tree Sparrows

This morning saw me teaming up with Beddington-birder Steve Thomas - a key-holder to the magic kingdom of the farmlands! After Tuesday's panic to see the Glaucous Gull today was a far more leisurely affair. The gull was once again present (on the tip and north lake). The morning's main quest was to hunt down a Tree Sparrow, something that could be done with little effort just a few years ago at Beddington. But times change, and the sewage farm population has fallen, and with it the number of over-wintering birds. We saw just the one, feeding on red millet at a bird feeding station (photo above taken a few years ago). Below is a summary of my personal records for the Uber-patch to add some context. First recorded at Beddington SF and River Mole, Leatherhead (1975), Seears Park, Cheam (1983), Holmethorpe (1991). The breeding colony at Beddington SF is (or was) well-known, and counts could be high throughout the year, with a...