Big birds
Magnificent Mihirungs by Peter F. Murray and Patricia Vickers-Rich, Indiana University Press, $75, ISBN 0253342821 Reviewed by Jeff Hecht MORE than 50 million years ago, a primal goose-like bird landed in Australia and decided that flying just wasn't worth the effort. Its descendants evolved into flightless avian giants called mihirungs or Dromornithids, which survived until …