Crepuscular and nocturnal illumination and its effects on color perception in the nocturnal hawkmoth Deilephila elpenor Model Digital Document Johnsen, Sonke Kelber, A. Warrant, E. Sweeney, A. M. Widder, Edith A. Lee, Raymond L. Jr. Hernandez-Andres, J. Publisher Published for the Company of Biologists Ltd. by the Cambridge University Press Member of HBOI Faculty Contributions