Red-eyed Tree Frog (Agalychnis callidryas) close- up eye half open the golden webbed semi-transparent eyelid allows to see its surrounding even while resting Costa Rica.

- Image ID: EG4BM6
Red-eyed Tree Frog (Agalychnis callidryas) close- up eye half open the golden webbed semi-transparent eyelid allows to see its surrounding even while resting Costa Rica.
Nature Picture Library / Alamy Stock Photo
Image ID: EG4BM6