National Geographic : 1933 Jul
THE EAGLE, KING OF BIRDS, AND HIS KIN The American osprey is sets his wings and coasts in in the NATIONAL GEOGRAPHIC © Wright M. Pierce COASTING HOME a strong and graceful flyer. When about to land at the nest he (see "The Nest Life of the Osprey," by Capt. C . W. R. Knight, MAGAZINE for August, 1932). Drawing by Hashime Murayama TWO TYPES OF FEET FOUND IN THE HAWKLIKE BIRDS The foot of the osprey, at right, illustrates the development for grasping and holding, characteristic of the predatory forms of falcons and hawks. The foot of the turkey vulture, at left, is a weaker type, fitted for walking and perching and not for seizing living prey. The inset shows an enlarged view, magnified four times, of the spines on the foot pads of the osprey, which enable it to hold slippery fish, an arrangement found only in this species.