Preserved developmental stages of a chick from 2 to 20 days. Hatching generally occurs at 21 days. 19th century specimens | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Davies, Gregory |
Bildgröße: | 3417 px × 5125 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |