eBird maps track Broad-winged Hawk in fall

Broad-winged Hawk
Broad-winged Hawk. Photo by Marian McSherry

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In On the Move, our regular column about migration, we present pairs of distribution maps from eBird that you can use to compare where interesting birds are at different times of the year. We featured Broad-winged Hawk, pictured above, in our October 2018 issue.

Broad-winged Hawk

Broad-winged Hawk migration maps.
Migration maps from eBird show where Broad-winged Hawks have been spotted in June (left) and September.

Shy and retreating during the breeding season, Broad-winged Hawk moves in stunning numbers along upland ridges and other migratory funnel points during the fall, where it migrates in large flocks or kettles of birds utilizing favorable wind conditions for long-distance migration. In June, the Broad-winged Hawk can be found in the eastern U.S. and the boreal forest of Canada, where it breeds in deciduous and mixed-deciduous woods. By September, many individuals have departed for southerly locations. Huge concentrations of migrating individuals occur at places like Hawk Ridge, on the southern shore of Lake Superior, and at Hawk Mountain, in the Pennsylvania Appalachians. Birders in the western U.S. and southwestern Canada can expect to see a small number of Broad-wingeds fly past hawk-watch sites on favorable weather days in September and early October.

See eBird’s real-time distribution maps for Broad-winged Hawk.

 

eBird is the real-time online checklist operated by the Cornell Lab of Ornithology and Audubon. “On the Move” is written by eBird’s Garrett MacDonald, Chris Wood, Marshall Iliff, and Brian Sullivan. Submit your bird sightings at ebird.org.

A version of this article appeared in “Birding Briefs” in the October 2018 issue of BirdWatching.

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