Harlequin duck and hen (Histrionicus histrionicus) on rocks. Adult males have a colourful and complex plumage pattern. Adult females are less colourful, with brownish-grey plumage. Photographed in Yellowstone National Park, USA. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Marazzi, Dr. P. |
Bildgröße: | 8256 px × 5504 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |