Black-headed gull (Chroicocephalus ridibundus) swimming in water. In the summer this bird has a very dark brown head, but in the winter this fades to the pale form seen here. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Davies, Andy |
Modell-Rechte: | nicht erforderlich |
Länge: | 16 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |