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 ...

Throughout the night, great potoos emit a loud, moaning growl that has earned the bird a mythical status, with some communities believing the sounds to be children calling for lost parents.

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 ...

They roam our planet after dusk with particular adaptations, such as enhanced sight, smell or other senses that help them get around in the dark of night. Feast your eyes on these amazing animals ...

It's small but fierce and feisty, with big eyes, long hind legs and a pointy nose. A carnivorous marsupial, it comes out at night to hunt its favorite foods: insects and spiders. It's rare for people ...

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 ...

In 1893, Shiras captured the first known night-time photograph of animals, a striking image of ... for his lanturn’s glow reflecting in their eyes before triggering the flash and camera.