Fall Migration

August 1, 2017 by Elizabeth Howard

Track migration as hummingbirds travel to their wintering grounds.

Russ Thompson

Track the Migration

Join us as we track the migration of hummingbirds traveling to their wintering grounds. Citizen scientists across North America are observing seasonal changes and reporting hummingbird sightings.

  • Weekly migration news: August 22 - October 31
  • Real-time maps
  • Field notes from observers
  • Photo galleries and video clips
  • Articles and slideshows
  • Journal pages

About Fall Hummingbird Migration

Fueled by the nectar, hummingbirds double their weight as they prepare to fly hundreds or even thousands of miles. Males leave first, as early as mid-July. Females follow, and then the young who migrate for the first time all alone.