Translation and analysis of words by artificial intelligence
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What (who) is crepuscular$17582$ - definition
![A [[red fox]] at dusk](https://commons.wikimedia.org/wiki/Special:FilePath/Fox032118BW.jpg?width=200 "A [[red fox]] at dusk")
![[[Ocelot]]s are active at night, especially during dawn and dusk.](https://commons.wikimedia.org/wiki/Special:FilePath/Jaguatirica.jpg?width=200 "[[Ocelot]]s are active at night, especially during dawn and dusk.")
![Crepuscular rays as seen from [[Puerto Morelos]], [[Mexico]] (October 2022)](https://commons.wikimedia.org/wiki/Special:FilePath/Crepuscular_rays_mexico_01.jpg?width=200 "Crepuscular rays as seen from [[Puerto Morelos]], [[Mexico]] (October 2022)")
![Heron island, Queensland]], Australia (April 2023)](https://commons.wikimedia.org/wiki/Special:FilePath/heron-island-sunset.jpg?width=200 "Heron island, Queensland]], Australia (April 2023)")
Wikipedia
In zoology, a crepuscular animal is one that is active primarily during the twilight period, being matutinal, vespertine, or both. This is distinguished from diurnal and nocturnal behavior, where an animal is active during the hours of daylight and of darkness, respectively. Some crepuscular animals may also be active by moonlight or during an overcast day. Matutinal animals are active only before sunrise, and vespertine only after sunset.
A number of factors impact the time of day an animal is active. Predators hunt when their prey is available, and prey try to avoid the times when their principal predators are at large. The temperature at midday may be too high or at night too low. Some creatures may adjust their activities depending on local competition.
