bald eagles

"It's a jungle if you're an eagle right now on the Chesapeake Bay," says Bryan Watts, a conservation biologist at the College of William and Mary in Williamsburg, Va. "You have to watch your back."

Americans have long imagined their national symbol as a solitary, noble bird soaring on majestic wings. The birds are indeed gorgeous and still soar, but the notion that they are loners is outdated, Watts and other conservationists are finding.