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Gavia arctica 1
Czech Republic
Photo of potáplice severní Gavia arctica Black-throated Loon Prachttaucher

Gavia arctica 2
Czech Republic
Photo of potáplice severní Gavia arctica Black-throated Loon Prachttaucher

Gavia arctica 3
Czech Republic
Photo of potáplice severní Gavia arctica Black-throated Loon Prachttaucher

Gavia arctica 4
Czech Republic
Photo of potáplice severní Gavia arctica Black-throated Loon Prachttaucher