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 & White: Creature Isle Black & White: Creature Isle Black & White: Creature Isle (known in Europe as Black & White: Creature Isles) is an expansion pack for the PC game "Black & White" by Lionhead Studios. It was released for Windows in January 2002 and for Mac OS X in December 2002. This expansion pack focuses on the creature and there are no levels as there were in the original game. The new creatures are Crocodile, Chicken, and Rhinoceros. Tyke is given to the player early in the game. Tyke will learn from the player's creature. It will treat it as a father.