Mute swans (Cygnus olor) on frozen Lake St Clair, Harrison Township, Michigan, USA. Mute swans are considered an invasive species in Michigan. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 5753 px × 1658 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |