Third eyelid of a red-eyed tree frog (Agalychnis callidryas). This frog's third eyelid, or nictitating membrane, is covered with golden veins, which are thought to provide camouflage. It is transparent, allowing them to detect the presence of nearby predators during rest. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Reusens, Nicolas |
Bildgröße: | 5400 px × 3600 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |