The annual migration of North America’s monarch butterfly is a unique and amazing phenomenon. The monarch is the only butterfly known to make a two-way migration as birds do. Unlike other butterflies …

Monarchs east of the Rockies migrate each year to the Transvolcanic mountains of central Mexico. Millions and millions of butterflies from the central and eastern Canadian provinces and the eastern …

Jan 28, 2026 · The monarch butterfly migration is the seasonal movement of monarch butterflies between their breeding grounds in the United States and Canada and their overwintering sites in …

Feb 26, 2025 · This map displays the North American monarch butterfly range. There are two monarch butterfly populations in North America - eastern (east of the Rocky Mountains) and western (west of …

We hope you enjoy this interactive map which shows the amazing migrations of monarch butterflies. You can see where they fly, the urgent threats they are facing, and how your support is expanding …

6 days ago · This real-time migration map, operated by Journey North, an organization that tracks wildlife migration, compiles sightings from users to show when and where monarchs are spotted …

Mar 15, 2026 · Follow the monarch butterfly migration month by month, from winter roosts in Mexico to summer breeding grounds and back again.

Monarch butterfly migration is the phenomenon, mainly throughout North America, where the monarch subspecies Danaus plexippus plexippus migrates each autumn to overwintering sites near the west …

Oct 17, 2017 · Each fall, millions of monarch butterflies leave their summer breeding grounds in the northeastern U.S. and Canada and travel upwards of 3,000 miles to reach overwintering grounds in …

Monarch Watch Tagging To determine monarch migration routes, and weather influence and survival during monarch migrations, Monarch Watch launched a tagging program to mark individual …