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 …

Migratory monarchs originate in southern Canada and the northern United States. They then travel thousands of kilometers to overwintering sites in central Mexico. The butterflies arrive at …

Nov 17, 2025 · A monarch butterfly carrying a tiny tag developed by Cellular Tracking Technologies at the Cape May Point Arts and Science Center in New Jersey, which helped …

You can see where they fly, the urgent threats they are facing, and how your support is expanding innovative solutions to help monarchs and other butterflies survive.

Nov 7, 2025 · Scientists have identified nearly 600 migratory butterfly species, found in both tropical and temperate regions and across every major butterfly family. Their journeys follow …

Nov 17, 2025 · In the most comprehensive tracking study of monarch butterfly migration ever conducted, a collaboration of over 20 research and conservation organizations across four …

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 …

Nov 17, 2025 · The butterflies were followed from locations throughout North America and the Caribbean to their overwintering sites in Mexico using revolutionary ultralight transmitters and …

Nov 12, 2025 · The migration – one of the most remarkable natural events in North America – depends on the habitat, wind patterns and vegetation as guides for the butterflies.

Apr 20, 2025 · For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is …