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 16: Larus (ssp?) barabensis male at Tengiz Lake, Kazachstan, May 1998. Picture: Andreas J. Helbig.
Wing-tip pattern in adult male: Note the relatively limited amount of black in the outer wing, and both P9 and P10 show a clear delimited pale 'tongue' on the inner webs (which is commonly found in barabensis).
Note also the tiny mirror on P9 (77% of breeding birds at Lake Tengiz showed mirrors on both P9 and P10).
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