Amanda visited our group four years ago, so it was nice to be able to welcome her back to hear more news on the fluctuations of bird populations over the years. We have lots of house sparrows in our garden using the nest boxes two or three times a year to raise broods. Four years ago it was bluetits using these same boxes. Ten years ago our bird table was mobbed by starlings, now we hardly ever see one.
if you woulds like to know more about the BTO (British Trust for Ornitholigy)