©
Piotr Kalmus: Perkoz dwuczuby, Great Crested Grebe (Podiceps cristatus)
©
Piotr Kalmus: Perkoz dwuczuby, Great Crested Grebe (Podiceps cristatus)
©
Piotr Kalmus: Perkoz dwuczuby, Great Crested Grebe (Podiceps cristatus)
©
Piotr Kalmus: Perkoz dwuczuby, Great Crested Grebe (Podiceps cristatus)
©
Piotr Kalmus: Perkoz dwuczuby, Great Crested Grebe (Podiceps cristatus)
©
Piotr Kalmus: Perkoz dwuczuby, Great Crested Grebe (Podiceps cristatus)