Part of milkweed butterfly  genus Danaus in four-footed butterfly  family Nymphalidae in butterfly/moth  order Lepidoptera in 🐞︎🐛︎🐜︎🐝︎ insect  class Insecta.

Native to much of North America, plus Central America and northern South America, extending to islands across the Atlantic and Pacific Oceans.

Uses by native peoples
(Ethnobotany database)

The monarch butterfly is famous for its migration from their ☃ wintering grounds in central 🇲🇽 Mexico, following the ⚘ spring flowers of milkweed  genus Asclepias and related genera — the only host plant on which monarch's eggs and larvae will grow and survive — north through the 🇺🇸 USA then 🇨🇦 Canada, ⚘ summering in a surprisingly-large areas of these two countries, before following the late-season flowers back to their ☃ wintering grounds.

Above or to left is a robo-video of these ☃ wintering monarch butterflies.  For full effect, select the video image, then icons  fullscreen,  captions , ▶︎ Play, and ⏯︎ ☒ Skip Ads.  What an amazing story!

Other monarch population have different migration patterns;  some populations have no need to migrate at all!

image from PBS video La Mariposa The Butterfly, select to view video

🚼︎ For kids!  Enjoy this video of 🇲🇽 Mexican folktale The Butterfly/La Mariposa, that explains why butterflies do not live in houses, and why they migrate.  Story told en español and in English.

For full effect, select the video image, then icons ▶︎ Play and  fullscreen.  What an amazing story!
In 🇨🇦 Canada, 🇺🇸 USA and 🇲🇽 Mexico, see: maps of citizen science sightings of monarch butterflies, their ⚫︎ eggs, 🐛︎ larvae, and fall roostings;  as well as 🐦︎ hummingbirds  family Trochilidae, bald eagles  Haliaeetus leucocephalus, American robins  Turdus migratorius, gray whales  Eschrichtius robustus, 🌷︎ tulips  genus Tulipa, ☀︎ sunlight, ☃💧︎ ice-out, 🌱︎ leaf-out, and more.  Then if you want, report your own sightings!

Poster of monarch butterfly Danaus plexippus lifecycle, larval host plants, adult nectar plants, and growing info for these plants.  Adobe Acrobat Reader file

Mowing and Management:  Best Practices for Monarchs.  Adobe Acrobat Reader file   For agricultural producers and land managers (USDA)

Xerces Society

Learn more about monarch butterfly Danaus plexippus

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Wikipedia