PETER MCGUIRE, BYLINE: Maine Audubon's Doug Hitchcock cranes his head to catch sight of red-winged blackbirds bobbing and diving in the woods outside the group's headquarters. It's a bitter ...

It tends to be males that do most of the singing. PETER MCGUIRE, BYLINE: Maine Audubon's Doug Hitchcock cranes his head to catch sight of red-winged blackbirds bobbing and diving in the woods outside ...