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 and the eastern …

At national wildlife refuges along the monarch migration trail, excitement builds early. Every fall, monarch butterflies fly thousands of miles from as far north as Canada to overwinter in Mexico.

Every year as it gets colder, North American monarch butterflies migrate south between August and October. Monarchs that spend the summer breeding west of the Rocky Mountains tend to migrate to …

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 central …

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 west …

Monarchs, once common throughout the United States, undertake a spectacular multi-generational migration of thousands of miles between their northern breeding areas and overwintering areas in …

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 …

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 …

Dec 18, 2009 · Many butterflies on the west side of the Rocky Mountains travel to the north central coast of California, about 500 kilometers (~300 miles). Many monarchs from the eastern population travel …