Nocturnal

Nocturnal refers to behaviors, activities, or processes that occur primarily during the night, as opposed to during the day. This term is most commonly used in the context of animals and plants, but can also apply to other phenomena such as human behaviors and atmospheric conditions.

Overview

Nocturnality is an animal behavior characterized by activity during the night and sleeping during the day. This behavior is common in several species of animals, including many mammals, insects, and birds. Nocturnality is a form of chronobiology that is governed by the animal's internal circadian rhythms, and is often associated with adaptations that help the animal survive in its environment.

Nocturnal Animals

Nocturnal animals, such as bats, owls, and moths, have special adaptations that allow them to function at night. These adaptations may include enhanced senses of hearing and smell, and specially adapted eyesight. Some nocturnal animals, such as some species of snakes, are able to sense heat in the dark, while others, such as many species of spiders, use vibrations to locate their prey.

Nocturnal Plants

Nocturnal plants, such as the moonflower and the evening primrose, open their flowers or release their scents at night. This behavior is often associated with pollination strategies that involve nocturnal insects or birds.

Human Nocturnality

Some humans are naturally more active at night, a trait known as night owl. This can be influenced by a variety of factors, including genetic predisposition, social factors, and work schedules. Night owls often have difficulty adapting to traditional daytime schedules and may experience sleep disorders as a result.

See Also

• Diurnality
• Crepuscular
• Cathemeral
• Matutinal

Nocturnal Resources
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