Common Merganser
Mergus merganser
Mergus merganser
This fish-eating duck is the typical merganser of freshwater lakes. Its flocks are usually small, but these may combine into big
...Common Merganser
Mergus merganser
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Species Migration
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.