Once again, it's broad-winged hawk migration time. Whirpools of hawks soon will fill the sky, riding high on thermal lift as sun warms earth. When lift plays out they stream south in an orderly, and countable, procession.
New Hampshire Audubon does just that - count the hawks - at Carter Hill Orchard in Concord and atop Pack Monadnock at Miller State Park in Peterborough.
Here's what Henry Walters, the official counter at Pack Monadnock, wrote two years ago on September 18: