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 …

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's migration is driven by seasonal changes. Daylength and temperature changes influence the movement of the monarch. In all the world, no butterflies migrate like the …

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...

Aug 29, 2025 · 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. Sometimes a …

Dec 23, 2025 · The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading the way.

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 …

Apr 23, 2025 · Explore the incredible journey of the monarch butterfly, the threats it faces, and how you can help protect its migration.

To escape harsh winter conditions, North American monarchs make a long-distance two-way migration, flying south each Fall and then north again each Spring. This spectacular multi …

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 …