Swan's leg. This close-up of the leg of a mute swan (Cygnus olor) shows the close relationship it and all birds have to reptiles. Birds have many features in common with dinosaurs,and it is now thought that they evolved directly from them | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 3393 px × 5151 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |