Our sometimes-incredible fall hawk migration not long ago surged through Massachusetts like clockwork between September 12 and September 20 every year. In a span of 10 days, 90% of the entire North American population of broad-winged hawks typically would begin evacuating the continent on their spectacular journey to South America. But the last five years have been strangely different.Rod Chase, Site Coordinator for the Eastern Mass Hawk Watch, monitors the […]