Nearby, a red-rumped agouti — a South American rodent that looks like a large, long-legged guinea pig — scuttled behind a tree trunk. A few feet away, an Arabian sand cat put its paw inside a log to ...

Last month, the staff at Raven Ridge Wildlife Center (RRWC) in Lancaster, Pennsylvania, received a distressing call from a ...

As a result, animals see better at night by double-dipping their light. They can process the light coming inward through their eyes, but also get the information as it goes back outwards. Our primary ...

N ight stretched across western Cambodia, coaxing a "leaf-toed" creature from its hiding place and onto the boulders. Its ...

These animals are nocturnal scavengers. They have distinctive black and white stripes along their bodies and a haunting call that echoes through the night in African and Asian savannahs. 58 ...

This is because our cone cells function best in relatively bright light. Other cells in our eyes, called rod cells, help us see in dim light. But because rod cells only have a single light-sensitive ...

From birds to dung beetles, many animals use the night sky to help them navigate the nocturnal world.

Nocturnal animals like cats have a tapetum lucidum layer behind their retina, enhancing vision in low light.

No ordinary night crawlers, these strange animals are seldom seen in the wild. Here's your chance to get up close.

From eyes the size of a dinner plate to 360-degree vision, these animals boast extraordinarily efficient ways of seeing.

The animal kingdom showcases a stunning array of eye adaptations, each tailored to unique survival needs. From the enormous, night-vision eyes of tars ...

Newly discovered nocturnal marine worm has eyes as sharp as mammals The discovery marks the first time this animal group is known to have such a detailed view of the world.