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Steppe eagles are diurnal, and hunt during the day. Humans are diurnal, and organize their work and business mainly in the day. [a] Diurnality is a form of plant and animal behavior characterized by activity during daytime, with a period of sleeping or other inactivity at night. The common adjective used for daytime activity is "diurnal". The ...
Its sense accordingly differs from diurnal and nocturnal behavior, which respectively peak during hours of daytime and night. The distinction is not absolute, because crepuscular animals may also be active on a bright moonlit night or on a dull day. Some animals casually described as nocturnal are in fact crepuscular. [2]
The kiwi is a family of nocturnal birds endemic to New Zealand.. While it is difficult to say which came first, nocturnality or diurnality, a hypothesis in evolutionary biology, the nocturnal bottleneck theory, postulates that in the Mesozoic, many ancestors of modern-day mammals evolved nocturnal characteristics in order to avoid contact with the numerous diurnal predators. [3]
Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals.; Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night.
Nocturnal luminosity has been found to positively correlate with the amount of nocturnal activity and negatively correlate with diurnal activity. In other words, an animal's activity distribution may be somewhat dependent on the presence of the lunar disc and the fraction of illuminated moon in relation to sunset and sunrise times.
Diurnal cycle, any pattern that recurs daily Diurnality, the behavior of animals and plants that are active in the daytime; Diurnal phase shift, a phase shift of electromagnetic signals; Diurnal temperature variation, a cycle of daily temperature change
Based on Austin Wright's novel Tony and Susan, the psychological 2016 drama Nocturnal Animals, starring Jake Gyllenhaal and Amy Adams, is known for an ambiguous ending that leaves it up to the ...
Some, like owls and nighthawks, are predominantly nocturnal whereas others do specific tasks, like migrating, nocturnally. North Island brown kiwi, Apteryx mantelli [1] Black-crowned night heron, Nycticorax nycticorax [1] Short-eared owl, Asio flammeus [1] Long-eared owl, Asio otus [1] Great horned owl, Bubo virginianus [1] Barred owl, Strix ...