Distribution of the Red-winged Blackbird

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Breeding Bird Census

Red-winged Blackbird summer range

Range of the Red-winged Blackbird during breeding season, based on Breeding Bird Survey data.

Map from the Patuxent Wildlife Research Center
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Gough, G.A., Sauer, J.R., Iliff, M. Patuxent Bird Identification Infocenter. 1998. Version 97.1. Patuxent Wildlife Research Center, Laurel, MD.

Christmas Bird Count Data

Red-winged Blackbird winter range

Winter range of the Red-winged Blackbird, based on Christmas Bird Count data.

Map from the Patuxent Wildlife Research Center.
Gough, G.A., Sauer, J.R., Iliff, M. Patuxent Bird Identification Infocenter. 1998. Version 97.1. Patuxent Wildlife Research Center, Laurel, MD.

Visit the Audubon Christmas Bird Count web site to create your own range maps.

Additional Web Resources

 

The Avian Knowledge Network collects data from thousands of locations and multiple data sets.

The Birds of North America web site has excellent distribution information, annual membership required.

Visit the eBird web site to report sightings of the American Goldfinch and to view current and some historical information on a state-by-state basis. Information based on reports from birders in the field.