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 "d
Steppe eagles are diurnal, and hunt during the day.
Humans are diurnal, and organize their work and business mainly in the day.
A bearded dragon, a diurnal reptile
A chimpanzee, a diurnal simian
In zoology, a crepuscular animal is one that is active primarily during the twilight period: being matutinal, vespertine/vespertinal, or both. This is distinguished from diurnal and nocturnal behavior
Diurnality
…circadian rhythms are endogenous cycles not dependent on external cues or environmental factors except for a zeitgeber. Animals active during twilight are crepuscular, those active during the night are nocturnal and animals active at sporadic times during both night and day are cathemeral. Although previously believed…
A domestic cat under low light
Fireflies at twilight, long exposure
Ocelots are active at night, especially during dawn and dusk.