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 ...

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, ...

Nocturnal animals are fascinating creatures ... smell or other senses that help them get around in the dark of night. Feast your eyes on these amazing animals ...

Here are ten reptiles with the most striking eyes in the animal kingdom ... Their eyes are adapted for nocturnal vision, allowing them to hunt efficiently in the dark. The Gaboon Viper, one ...

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.

Many of the animals that eat red-eyed tree frogs are nocturnal hunters that use keen eyesight to find prey. The shocking colors of this frog may over-stimulate a predator's eyes, creating a ...