The osprey was known as the fish hawk in John James Audubon’s time. It’s an apt moniker as 99 percent of its diet consists of live fish, procured by diving into the water—an amazing spectacle. Ospreys have a worldwide distribution, breeding across the United States, Canada, Europe, and Russia and wintering in Mexico, the Caribbean, Central and South America, Africa, India, and Southeast Asia.
Females leave for wintering grounds three weeks before their mates and before their young are completely independent. In spring, both sexes return when the ice is out, typically by mid-April in the Adirondacks. Juvenile ospreys do not leave their overwintering areas until at least their second spring and may not breed until their sixth or seventh year. Migrating ospreys make overwater flights of more than six…