Boyle, G. L, Hocken, A. G, Powell, P. R, Hughes, C. S, Walker, I. M, Adams, M. C, Robson, R. W, Williams, A, Hollom, P. A. D, Boyle, G. L, Hocken, A. G, Robson, R. W, Hollom, P. A. D & Williams, A / June 1955 – vol. 48, issue 6–287 Unusual nest of Black-throated Diver.--The photographs reproduced on plate 40 show an unusual nest of the Black-throated Diver (Gavia arctica) which I found in June 1954 in central Sweden. This was built up on small rocks in the centre of a large lake where the water was shallow enough for a few reeds and two stunted trees to grow. The Handbook quotes a record of an abnormal nest among willow bran... This article is only available to registered users.To read more, please log in or purchase a subscription.