During the month of March, there is enough of a migration occurring across the US to turn certain ridges, lakes, headlands, ...
DULUTH, MINN. - The sky above Hawk Ridge Bird Observatory on Sept. 18 was gray, woolen and seemingly static. Lake Superior, though, was rocking with an east wind; whitecaps pocked its surface. And ...
DULUTH — “It’s a magical world back here,” Margie Menzies said on a chilly morning in early September. Like most days, Menzies, the education director for the Hawk Ridge Bird Observatory, has been ...
A University of Chicago study used new radar technology to monitor tropical bird migrations. Researchers then mapped bird activity to local weather patterns. While North American bird migrations are ...