Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

To see in a world of darkness, some nocturnal animals have developed a reflective surface behind their retinas that enables their eyes to take in more light: the photons pass through the retina ...

Watch a pond light up with glowing alligator eyes. There's so many of them, and they're bellowing ferociously.

By hunting at night, the loris can avoid having to ... The snout, ears, and eyes of these animals can absorb ultraviolet ...

Nocturnal geckos have superb vision in dim light - their eyes are 350 times more sensitive to colour at night than a human's (see for yourself with our animal vision interactive). Lacking eyelids, ...

By analysing the properties of animals' visual systems ... have excellent colour vision at night - a useful advantage for a nocturnal hunter. Their eyes have evolved to be up to 350 times more ...

There are some animals that only come out at night and they are called nocturnal animals. Woo. Woo! Who do you think these eyes belong to? Owls. Owls have big eyes to help them see in the dark.

Their gentle gaze captures a sense of calm and elegance. Owls possess enormous, front-facing eyes that are adapted for night vision. Their eyes give them a mysterious, wise, and haunting appearance.