Phenotypic characterization, taxonomic rank and phylogenetic relationships of Armenian Gull Larus armenicus
Dorit Liebers & Andreas J. Helbig
published: Limicola 13-6, 1999 (in German, with English summary)
Fig 3: Larus armenicus mixed with michahellis breeding island in Beysehir Golu, Turkey, May 1999. Many birds were phenotypically intermediate. Picture: Andreas J. Helbig.
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