+A **diurnal animal** is one active primarily in daylight hours, drawing energy and purpose from the sun's presence. Its life rhythms, often tied to a [Circadian Rhythm](/wiki/circadian_rhythm), contrast with creatures of the night, such as a [Nocturnal Animal](/wiki/nocturnal_animal), and those active at dawn or dusk.
+## See also
+- [Sleep](/wiki/sleep)
+- [Behavior](/wiki/behavior)
+- [Crepuscular](/wiki/crepuscular)
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