So the next time you see a shadow at night, it might not be what you expect. This clip can be used for pupils researching different nocturnal animals. Pupils could watch the clip before taking ...

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 ...

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 ...

Nocturnal hunters like bats ... On the other side of the spectrum, diurnal animals tend to become less active when in the path of totality — the shadow that’s cast when the moon blots out ...