Phylloscopus trivirgatus / Mountain leaf-warbler (Phylloscopus trivirgatus)
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Wikipedia: Mountain leaf-warbler Quelle: WIKIPEDIA 1200px-Naturalis_Biodiversity_Center_-_RMNH.AVES.138030_1_-_Phylloscopus_trivirgatus_trivirgatus_Strickland%2C_1849_-_Sylviidae_-_bird_skin_specimen.jpeg