Violet-green Swallow
Tachycineta thalassina
Tachycineta thalassina
A small swallow of the west, nesting from Alaska to central Mexico. Similar to the Tree Swallow in appearance and also in behavior, nesting
...Violet-green Swallow
Tachycineta thalassina
Species Migration
Data Providers
This map is made possible by the generous contribution of hemispheric weekly distribution data from eBird at the Cornell Lab, and a variety of hemispheric data sources for conservation challenges. Learn more
Data Providers
Conservation Challenges
This map is made possible by the generous contribution of hemispheric weekly distribution data from eBird at the Cornell Lab, and a variety of hemispheric data sources for conservation challenges.
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
Conservation Challenges
See the footprint of select human activities and environmental changes across the hemisphere.
Select a Conservation Challenge to view where this species is exposed to it throughout the year.