Monarch butterfly | 台北市立動物園資訊網

ThisspeciesisfoundintropicalandsubtropicallatitudesofSouthAmerica,mainlyinBrazil,Uruguay,Paraguay,Argentina,Bolivia,ChileandsouthernPeru.The ...

Milkweed butterfly in the family Nymphalidae

The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae.[6] Other common names, depending on region, include milkweed, common tiger, wanderer, and black-veined brown.[7] It is among the most familiar of North American butterflies and an iconic pollinator,[8] although it is not an especially effective pollinator of milkweeds.[9][10] Its wings feature an easily recognizable black, orange, and white pattern, with a wingspan of 8.9–10.2 cm (3.5–4.0 in).[11] A Müllerian mimic, the viceroy butterfly, is similar in color and pattern, but is markedly smaller and has an extra black stripe across each hindwing.

The eastern North American monarch population is notable for its annual southward late-summer/autumn instinctive migration from the northern and central United States and southern Canada to Florida and Mexico.[6] Duri...