The fall migration of Broad-winged Hawks from the breeding areas of the forests of eastern North America to the wintering grounds in South America is an example of a seasonal migration that spans two continents. In this map from 1998 Broad-winged Hawk Survey data, the size of the dots indicate the number of birds reported during the time interval shown in the time bar at the top of the map. Note the high numbers reported on the western side of the Gulf of Mexico, where the birds funnel into a narrow corridor on their way south.

The timing of the Broad-winged Hawk migration can be clearly seen in the animated map of the 1998 migration.

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