Monarch Butterfly

The ruler butterfly (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae. It might be the most recognizable North American butterfly. Its wings emphasize an effectively conspicuous orange and dark example, with a wingspan of 8.9–10.2 cm (3½–4 in). (The emissary butterfly is comparative in shade and example, yet is uniquely more diminutive, and has an additional dark stripe over the rear wing.) 

The eastern North American ruler populace is striking for its southward late summer/pre-winter relocation from the United States and southern Canada to Mexico, coating a great many miles. The western North American populace of rulers west of the Rocky Mountains frequently move to destinations in California however have been found in overwintering Mexico locales. 

In North America, the ruler ranges from southern Canada to northern South America. It once in a while strays to western Europe (seldom the extent that Greece) from being transported by US transports or by flying there if climate and wind conditions are correct. It has likewise been found in Bermuda, Cook Islands, Hawaii, the Solomons, New Caledonia, New Zealand, Australia, New Guinea, Sri Lanka, India, Nepal, the Azores, the Canary Islands and Honolulu.