Images tagged "great-crested-grebe" [Show as slideshow] Potápka roháč (Podiceps cristatus) Great Crested Grebe Potápka roháč (Podiceps cristatus) Great Crested Grebe Potápka roháč (Podiceps cristatus) Great Crested Grebe Potápka roháč (Podiceps cristatus) Great Crested Grebe