Monarch Butterfly On Gray Background - Danaus Plexippus Stock Photo

The monarch butterfly or simply monarch Danaus plexippus is a milkweed butterfly subfamily Danainae in the family Nymphalidae. The eastern North American monarch population is notable for its annual southward late-summer/autumn migration from the northern and central United States and southern Canada to Florida and Mexico. During the fall migration, monarchs cover thousands of miles, with a corresponding multi-generational return north. Its host plant is Milkweed.