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

The monarch is the only butterfly known to make a two-way migration as birds do. Unlike other butterflies that can overwinter as larvae, pupae, or even as adults in some species, monarchs …

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 …

Aug 21, 2025 · At night, migrating monarchs cluster together in trees at night, forming what is called a roost. A roost may have a handful of butterflies or more than you can count.

Sep 12, 2024 · Every year, millions of monarchs migrate from Mexico to the U.S. each spring, and back down to warmer climates for winter starting in late August. This 3,000 mile journey is full …

Aug 26, 2025 · Every fall, millions of monarchs leave the northern US and begin their migration to the oyamel fir forests of Mexico.

Mar 19, 2025 · This article explores the monarch butterfly migration pattern map, monarch butterfly migration route map, and ways to track monarch butterfly migration throughout the year.

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 …

Sep 24, 2021 · Every fall, millions of monarch butterflies cross Iowa on their way to winter roosting sites in the forests of Mexico.

Each fall, North American monarchs travel from their summer breeding grounds to overwintering locations. East of the Rocky Mountains, monarchs travel up to an astonishing 3,000 miles to …