Monarch butterflies travel thousands of miles eaxch year to migrate, as a result the monarch butterfly has evolved to an impressivly large size.
Most of the 300 species of Danainae are found in tropical Asia and Africa. Only four live in North America.
The Milkweed butterflies (Monarch, Queen, Soldier) eat only milkweeds (Asclepias) as larvae and the adult butterflies retain poisonous glycosides so they become distasteful to potential predators.
Danainae have three tribes: