The Barra Sparra

Ian Thompson, Yvonne Benting and Bill Neill write:

We have been colour ringing House Sparrows here in Askernish, South Uist as part of the BTO’s RAS scheme for the past seven years. Because House Sparrows have a reputation as being difficult to catch and retrap, the use of colour rings was a conscious decision on our part. This enabled us to identify the birds individually in the field, but more