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 ...

Howler monkeys demonstrate why they are some of the noisiest animals on the planet. After viewing, students could name all the ways in which the nocturnal animals shown in the clip are adapted for ...

Bats and owls often come to mind while we think of nocturnal animals. When the sun sets and the world drifts to sleep, a whole new lineup of creatures comes alive, thriving in moonlight and ...

Howler monkeys demonstrate why they are some of the noisiest animals on the planet. After viewing, students could name all the ways in which the nocturnal animals shown in the clip are adapted for ...

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 ...