C reatures that sleep during the day and are active at night are known as nocturnal, and they take the form of both predators and prey. That’s in contrast to diurnal animals — or those which ...

Prey animals, ever alert and wary ... and we’re ready for the night!” Adult hyenas become super active, hunting and ...

As well as these nocturnes there are cathemeral animals that are active by both day and night, and an even smaller number of crepuscular animals that come out in the twilight of dusk and dawn.

2005). The day-night cycle also plays a key role in animal behavior. Some species are active during daylight, others at night, and still others only at dawn or dusk. Activity corresponds to ...

Hedgehogs are active at night and can travel up to a one and a half ... We asked our photographer Lucie Goodayle how to take the best photos of animals at night. Here’s Lucy’s top tips: Make the ISO ...

You may notice that few cold-blooded animals are active in the winter, and the farther north you ... If they didn’t enter torpor at night they would die, since their bodies would lose too much heat ...

This is a rarity in primate research, and illustrates just how much remains to be known about these fascinating animals ... during the day and forage at night for insects, fruit, flowers, and ...

We spoke with sleep experts about the afternoon slump, including causes, what you can do to manage it and when it might be a clue that something more serious is going on.

Advances in night vision technology have transformed wildlife research, allowing scientists to observe and study nocturnal ...

The Pennsylvania Game Commission has issued an advisory for motorists to slow down and stay alert due to the deer becoming increasingly active. Daylight saving time ending on Saturday caused an ...

FEMA authorized the use of federal funds to help the state battle the Mountain Fire, which has burned about 10,500 acres on ...