Male mallard (Anas platyrhynchos) walking on ice. The mallard duck breeds in the temperate and sub- tropical areas of North America,Europe and Asia,migrating further south in the winter. The breeding males have distinctive green heads and black-tipped yellow bills,as here,whereas the non-breeding males have drabber brown plumage like the female birds. Photographed in Hertfordshire,England | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Devries, John |
Bildgröße: | 4300 px × 2867 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |