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Nocturnal or nocturnality refers to organisms that are primarily active at night and sleep during the day. Organisms that are not nocturnal may be diurnal (active during the day) or crepuscular (active during twlight).

Many mammals, insects, reptiles, birds, and plants are nocturnal. Examples of nocturnal organisms include: flying squirrels, mice, fireflies, moths, frogs, owls, and bats. Examples of nocturnal plants include: Moonflowers (Ipomoea alba), Night Blooming Cereus (Selenicereus), and Night Gladiolus (Gladiolus tristus).

Nocturnal Animals at IslandWood:

Barred Owl

Little Brown Bat

Flying Squirrel

Check out this Nocturnal Animals Lesson

Northern Flying Squirrel (Glaucomys sabrinus)FireflyPacific tree frog (Pseudacris regilla)Northern saw whet owl (Aegolius acadicus)Moonflower (Ipomoea alba)Night blooming cereusNight gladiolus (Gladiolus tristis)


Nocturnal plants: