Lehner P. 1965 Jan. 6 ran mouse grid traps; caught the second adult Red-tailed Tropicbird at nest near barracks - carried band number 505-12069 - we painted a green cross on its breast and put a green spot on its head; took blood from 6 broken wing Sooties and 1 broken wing Noddy (common); reset mouse grid after chow. Jan. 7 ran mouse grid in morning; took blood from 1 Common Noddy and 1 Sooty Tern ; Doc went to Johnston to make plane reservations and saw 8 Red-tailed Tropicbirds on Johnston; reset mouse grid traps in late P.M.; approximately 100,000 Sooties are now on or hovering over Sand Island; they are still coming in to the island at 11:00 P.M.