At night they come out in search of food and mates. Kultarrs also use torpor, a reduction in metabolic rate and body temperature, to save energy. They can adjust their body temperature to as low as ...

While most birds are active during the day, many insects and around 70 percent of mammals are nocturnal, coming out at night to forage for food and to find a mate. The night attracts many species ...

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.