Blue Ridge Parkway

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It's Fall, and the Hawks are Migrating

With the return of cooler weather in September comes one of my favorite Blue Ridge spectacles – the southward migration of hawks.  Among the earliest, and by far the most abundant of the migrants, is the broad-winged hawk.  On a good day in mid-September at one of the premier hawk-watching sites as many as 10,000 of these birds may pass by.

In the summer, broad-winged hawks are common in the woodlands of eastern North America, where they prey on small mammals, reptiles and birds.  By September, broad-wings begin to gather into groups in preparation for their long trip to their wintering grounds in Central and South America.  Hawks conserve energy by using thermal updrafts to gain altitude.  They then glide to the next updraft and repeat the process.  The sight of hundreds of hawks spiraling upward in a thermal (a phenomenon called “kettling”) is unforgettable. 

Kettling hawks can be seen from many places along the Parkway.  Some of my favorites are Afton Mountain, Harvey’s Knob north of Roanoke, Va. and Bald Knob, north of Meadows of Dan.  If you can’t make it for the broad-wing show in September, don’t worry.  Other species, including ospreys, can be seen in migration along the Blue Ridge throughout October and into early November.

Just pick a spot with a good view to the northwest and look up.

*In N.C., head for hawk-watching in the Mt.Pisgah area (MP 408-415)

- J.S. Beard
Virginia Museum of Natural History