Crepuscular

An assignment for Illustration 1, in which we were supposed to depict a word from the dictionary that isn't a physical object. The word I chose is "crepuscular," which describes a creature that is active at twilight, as opposed to during the day (diurnal) or during the night (nocturnal.) Fireflies, deer, and chimney swifts are all crepuscular animals, so I incorporated them as well.