Mute swans (Cygnus olor) on frozen Lake St Clair, Harrison Township, Michigan, USA. Mute swans are considered an invasive species in Michigan. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 5753 px × 1658 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |