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Species boundaries in the Herring and Lesser Black-backed Gull complex

01 July 2008 Comments Main paper ABSTRACT The BOURC Taxonomic Sub-committee (TSC) recently published recommendations for the taxonomy of the Herring Gull and Lesser Black-backed Gull complex (Sangster et al. 2007). Six species were recognised: Herring Gull Larus argentatus, L...

Urban gulls

01 July 2005 Comments Main paper ...

The specific status of Balearic and Yelkouan Shearwaters

01 December 2002 Comments Main paper ...

Genetic relationships among the different races of Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull

01 November 2001 Comments Main paper ABSTRACT Genetic analyses of the relationships among different forms of Lesser Black-backed Gull Larus fuscus, Herring Gull L. argentatus and Yellow-legged Gull L. cachinnans are beset with difficulties, associated with appar...

Status of the form barabensis within the ‘Larus argentatus–cachinnans–fuscus complex”

01 May 2000 Comments Main paper ABSTRACT Between 19th July and 1st August 1997, at the Chany Lakes in southwestern Siberia, data were collected on phenotype features and behaviour of the local populations of gulls Larus belonging to the taxonomically vague form barabensis.These were ...

Monthly Marathon

01 May 1997 Comments Other The members of the tideline gang (plate 7), photographed by Richard T. Mills in Co. Cork in September 1975, were correcdy identified as Common Redshanks Tringa totanus, Oystercatchers Haematopus ostralegus, Black-headed Gulls Larus ridibundus and a Bla...

Mystery photographs

01 April 1988 Comments Main paper A quick glance at the distinctive bill-shape and long, pointed wings of last month's mystery bird (plate 73, repeated here as plate 89) is sufficient to identify it as a shearwater. The astute reader, confident in our sense of fair play, would have imm...

Notes

01 December 1987 Comments ...

Mystery Photographs

01 June 1984 Comments Main paper Last month's mystery bird (plate 67. repeated here) is obviously an immature gull, and all the 'black-headed', 'black-backed' or 'white-winged' gulls can be quickly eliminated. It is obviously either a Herring Gull Larus argentatus, a Common Gull ...