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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

Reviews

01 April 1957 Comments Reviews By LEONARD W . W I N G . (Ronald Press Company, New York, 1956). 539 pages, 222 textfigures and numerous tables. Price $6.75. THERE is g r e a t need at the present time for a general biology of birds covering the whole field, and the present book fills ... Read More

Neottiophilum Praeustum in birds' nests

01 April 1957 Comments Main paper Diptera with n o close relatives, being" the only member of the family Neottiophilidae. T h e larvae are ectoparasites of nestling birds and live in the lining of the nest, periodically attaching themselves to the nestlings and sucking blood. They are thu... Read More