Lake Sevan, Armenia.
Formerly commonly treated as a subspecies under an expanded L. argentatus, and more recently as a subspecies of L. michahellis, but species status, already recognized in HBW, suggested by very dark marking near bill tip of breeding bird (2); notably shorter bill (based on published measurements; allow 2); darker iris (at least 1); darker mantle (1); and narrow zone of hybridization with L. michahellis in C Anatolia#R (score 2). Monotypic.
Caucasus through Armenia to W Turkey and NW Iran. Winters S to E Mediterranean, N Red Sea and N Persian Gulf.
Food and feeding
Status and conservation
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