Vanessa cardui migrations take place at high altitude, which explains why these migrations are seldom witnessed. "V. cardui" is known for its distinct migratory behavior. In California, they are usually seen flying from north to northwest. These migrations appear to be partially initiated by heavy winter rains in the desert where rainfall controls the growth of larval food plants. Painted lady migration patterns are highly erratic and they do not migrate every year. Some evidence suggests that global climatic events, such as el Niño, may affect the migratory behavior of the painted lady butterflies, causing large-scale migrations. Based on experimental data, the
Black Is White and marries her. She returns to America with him. Unable to hide her love for her son, she arouses her husband's suspicions and in a moment of rage he shoots the young man. After nursing her son back to health, Margaret tells her husband the truth, produces proof that she has always been true to him, and forgives him. Black Is White Black Is White is a 1920 American silent drama film starring Dorothy Dalton and directed by Charles Giblyn. It was produced by Thomas H. Ince and distributed by Paramount Pictures. The movie is based on a novel, "Black