Are most animals active at night?
Are most animals active at night? The majority of mammal species are nocturnal, but many are diurnal (active during the day), crepuscular (active mostly during twilight), or cathemeral (active during hours of daylight and darkness).
Why are most animals active at night?
Many species on Earth are nocturnal: Some come out at night to escape the heat of the day. Others need the night to hunt, mate, or avoid predators. Animals such as cats, owls, and rodents have developed keen hearing, smell, and dark-adapted vision in order to navigate at night.