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-and-white owl Black-and-white owl The black-and-white owl ("Strix nigrolineata") is a species of owl in the family Strigidae. The black-and-white owl is a medium-sized owl with a round head and no ear tufts. It is between 35–40 cm in length and weigh between 400-535 grams. It has a striped black-and-white breast, belly, and vent. With the exception of a black-and white striped collar, the upperparts from the crown to the tail are a sooty black. The facial disc is mostly sooty black, with white “eyebrows” that extend from the bill to the collar. The beak is a yellow-orange colour, and the eyes