Magnificent Frigatebird
Fregata magnificens
  (L 40" WS 90" WT 3.3 lb)
Sanibel, FL
5Jan07
...the frigate bird, and the boatswain bird...
soar at high altitudes for long distances on
motionless wings.
   (Lawrence Hargrave)
Has the largest wing area to
body wt. of any bird.