National Geographic : 1937 Jul
SETTING UP CAMERAS TO BE OPERATED BY REMOTE CONTROL Near a pigeon hawk's nest in Minnesota, Frank Craighead fastens a standard sized motion-picture and two still cameras. The branches were too weak to support a blind, so the photographers concealed themselves on the ground and operated the cameras by pulling strings (page 132). WINGS AND TAIL CHECK SPEED AS AN OSPREY LANDS She hurries back to the nest inYellowstone National Park toprotect hertwo young from the hot sun by spreading herwings over them like atent. Along the Atlantic coast, ospreys often carry wet seaweed tothenest tokeep their little ones cool.