Tree Swallow
Tachycineta bicolor
Tachycineta bicolor
The popularity of the bluebird has been a boon to the Tree Swallow, which nests in holes of exactly the same size, and has taken advantage
...Tree Swallow
Tachycineta bicolor
Species Migration
Data Providers
Hemispheric weekly distribution data from eBird at the Cornell Lab. Seasonal ranges derived from eBird and data from BirdLife International and Audubon. Learn more
Data Providers
Species Migrations
Hemispheric weekly distribution data from eBird at the Cornell Lab. Seasonal ranges derived from eBird and data from BirdLife International and Audubon.
The following partners contributed to the development of this map.Data Sources
How to contribute data to the Migratory Bird Initiative
If you are interested in sharing your data with the Migratory Bird Initiative, contact us at migratorybirds@audubon.org
To request information about the Migratory Bird Initiative
Requests for data should be directed to the contributing data holder or organization. If you’re interested in something else, please contact us at migratorybirds@audubon.org
Map Layers
Species Migration
See where this species travels throughout the year.