Danaus Plexippus is the scientific name for the Monarch Butterfly. Monarchs can be found on all continents wherever milkweed plants are except the polar regions. Eastern Monarchs spend their winter high in the Mountains located west of Mexico City. Western monarchs are found from the Rockies to the Pacific Ocean and spend the winter months in several areas along the coast of southern California. With a wingspan up to 4 3/4 inches, Monarch butterflies are among the largest and most beautiful butterflies in North America.
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