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
Pokémon Black and White eastern portion of Unova, which contains Pokémon from the previous games in the series, as well as access to an area unique to each game version: the ultra-metropolitan Black City, home to powerful Pokémon trainers; and the White Forest, home to humans and Pokémon living in harmony. Cynthia, a former Champion of the Sinnoh region, is also found in this area of the game and can be challenged. A non-player character named after Shigeki Morimoto, a Game Freak programmer, creature designer, and the director of the "HeartGold" and "SoulSilver" games, can also be found and battled in the game. On