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Letters

01 June 1973 Comments Letters Wallcreeper on migration in the Netherlands Dr H. Lohrl's statement (Brit. Birds, 63 : 167) that the Wallcreeper Tichodroma muraria is non-migratory has been challenged by David Elias, H. G. Alexander, Guy Mountfort and K. D. Smith (Brit. Birds... Read More

Studies of Sparrowhawks

01 June 1973 Comments Main paper Roy Blewitt's photographs are the first of the Sparrowhawk Accipiter nisus to be published in British Birds since the long series which accompanied J. H. Owen's remarkable studies during 1916-36. They show well the uniform upperparts (plates 41a, 42b, ... Read More

Singing of Birds on Malta and Gozo

01 December 1946 Comments Main paper THE following notes on the singing and calling of birds, mostly of species on the British List, were made on Malta and Gozo between September, 1941, and July 1945. They do not pretend to be eompreprehensive on the subject of bird song on these islands, bu... Read More

Recovery of Marked Birds

01 December 1946 Comments Main paper Bamsley (Yorks), 13.2.46. [31m. SSW.]. (considered t o be continental winter-visitor). Ditto 5.2.46, by Bootham Grantham (Lines), 24.3.46. School. [ 7 5 m - SSE.]. Ditto 23.2.42. Ringkobing (Jylland), Denmark, 1942. Ditto 26.1.42. Aaby (Fyn), Denmark, 24.... Read More