The term "crepuscular" refers to the hours of dawn and dusk. Crepuscular animals include those species that are active at dawn, dusk, or both. Some animals are mistakenly considered to be nocturnal although they are actually crepuscular....

Refers to that which is of, or appears in relation to, twilight. It is applied, for example, to those animals that become active at...

(from Latin, crepusculum: dusky or obscure) Relating to dawn and dusk. A crepuscular animal is one that is most active during twilight. See also: diurnal;...

The patterns of activity are thought to represent a response to selection from predators. Many predators forage most intensely at night, while others are active at mid-day and see best in full sun. Thus the crepuscular habit may reduce predation....

Just over a month ago, a young man found himself in an uncomfortable sleeping arrangement. After a night out with a group of friends-dinner on the Lower East Side, drinks at Soho House-he found himself alone in the home of a senior editor at a...