You are using an older browser version. Please use a supported version for the best MSN experience.

Monarch butterflies descend upon Mexican forest

Millions of monarch butterflies begin to descend onto Mexico as part of their annual migration south. Rough Cut (no reporter narration)

Latest Videos

Featured Partners

  • BuzzFeed
  • CNN
  • The New York Times
  • SB Nation
  • Splash News
  • The Wall Street Journal
image beaconimage beaconimage beacon