SIRS,--The Rev. J. M. McWilliam in his letter on the above (antea, p . 56) remarks in his closing paragraph t h a t he " cannot remember seeing any notes on t h e effect of the angle of sunlight on t h e apparent colour of birds." We would refer Mm to our note, " Lesser Black-backed Gulls in Glamorgan," which appears in Vol. X X I I I , pages 250-252, where we draw attention to this fact. We agree t h...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now