Lehner, P. 1964 61 Sept. 10 up at 6:30 A.M.; started guywire census at 7:00 A.M. and ran it through 11:00 A.M.; Cam took over at 12:00 and ran it through completion; had less birds on the wires early today but they seemed to remain longer; about 10:00 A.M. saw a female adult Frigate chasing another to obtain a free meal - no success; put up one mist net south of barracks Sooty Tern 10:08 A.M. juvenile chirped at adult flying overhead - adult squawked - juv. gave same squawk sequence (Qaa-aak) but much higher pitch (due to higher pitched voice) and then followed with a series of chirps - adult landed - more chirping - adult fed juv.