Manatees' Family Tree Recorded In Florida

A thick herd of manatees greeted Blue Spring State Park specialist Wayne Hartley as he started his manatee count during a recent Florida cold snap. Among them swam Lunatic, Law, Liege and Lili — manatees he named when each was a newborn calf and all of whom descended from Luna, a matriarch whose family tree of 35 sea cows spans five generations. "Luna was one of those who had a calf every two years," said Hartley, sighing in his reminiscence. "I can remember when she died. They picked her up in Lake Monroe Fla.". But Luna's legacy — and those of a dozen other matriarchs — lives on among the more than 260 manatees that take refuge at the Orange City, Fla., park every winter. Their family trees — recorded throughout Hartley's 27 years of tracking the manatees — serve a vital purpose for scientists, too.........here