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The status of Caspian Gull in Malta

01 March 2010 Comments Main paper Although gull-watching on Malta has been carried out by the authors for over 20 years, more systematic observations were under- taken during 2001-09. Sessions are held in most months, with more intensive effort from August to April, but especially during ... Read More

Identification of Caspian Gull

01 March 2010 Comments Main paper Abstract This paper deals with the identification of the Caspian Gull Larus cachinnans. The aim is to synthesise what is currently known about the identification of this species and discuss the appearance of proven and suspected hybrids. The paper is spli... Read More

Report on bird ringing for 1951

01 August 1952 Comments Main paper Bird-Ringing Committee, British Trust for Ornithology. This is the fifteenth r e p o r t ! issued on behalf of the Committee, continuing; the earlier sequence under the title " T h e British Birds Marking S c h e m e . " It is in the form instituted last ... Read More

The post-fledging dispersal of Juvenile Titmice

01 August 1952 Comments Main paper T H E dispersal of young' birds away from their birth-places has been studied for a number of species by different authors. Kluijver (1951), Koskimies (1948), Kratzig (1939) and Plattner & Sutter (1946, 1947) have all made studies of dispersal in the Grea... Read More