R.D.Crosin Records #13 Survey 1966 Red-tailed Tropicbird Lisianskii 16-19 June Commonly seen flying over the island and groups of up to 5 birds were noted displaying over the beach. One bird was noted on an egg under a dense seacliff bush. 3 other eggs and 5 immatures were also counted. Shelton estimate of 300 pairs at dusk with R.D.Crosin Records #13 Species Accounts 1966 Blue-faced Booby Lisianskii 16-19 June Most common along the beach at edge of fringing seaweeds. Most birds were not breeding which ranged from egg to full fledged young, but young were in the 1/4-1/2 grown stages. Only one young was noted per pair. A total of 58 nests with young, 3 with eggs were counted on 18 June. Birds rootling among small clumps on NW + SW beaches. Shelton counted about 300 birds on SW beach at dusk. + S estimate an additional 200-300 on NW beach at dusk. Estimated population 800 birds.