Tree sparrows have been breeding in a nest box in our Co. Durham garden, and in our next door neighbours' garden, for about a decade now. It has been heartening to see their numbers increase, especially since this has been a declining species in many parts of the country.
These handsome finches are frequent visitors to the bird feeders and are one of the most assertive species, chasing away most other birds that try to compete. Only siskins, which are much smaller but even more feisty, can out-compete them.
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