Burckhalter, David L., 1967
Page 4
Image from the Biodiversity Heritage Library. Contributed by Smithsonian Institution Archives. | www.biodiversitylibrary.org
Transcription
would best define the report on this select group. Est. max. Height 190', size est. 1 acre in area. Species Account Laysan Albatross - one downy chick of ca. 90 days age. Fledgling-tailed Shearwater - four seen, one came from a burrow with no known eggs or chicks. One dead individual. Blue-faced Booby - 100+ nest site, with 2x as many adults attending them. Most of the boobies were found on top qual along the upper slope of the pinnacles. 60%-70% w/chicks, rest with eggs. Red-tailed Tropicbird - ca 20 nests - mostly with eggs - 1 known chick rested in crevices along upper slopes. Gray-backed Tern - ca 4000-5000 adults using the island, mostly now attending to chicks ~1000 nest sites - mostly spring of all stages - I did not notice many eggs - guess 100. Nested on slopes Sooty Tern - lot. less # than GBT - probably 1/2 as many - all stages chicks appeared to be large no. of egg and chick mortality. Common Tody - ca. 2000-3000 birds using island - nested on lower slopes - ca. 150 chicks White-capped Ploidy - ca 200 birds using islands - all stages resting - eggs to near fledglings ca. 50 Grey Tern - ~300 birds with eggs, young eggs to flying immatures - rested at cruggy peak at top of slopes. Blue-gray Tody - est 25 birds - 2 found with eggs. Great Frigate - ca. 50 birds flying around - some roosting Shorebirds seen - 1 RT, 2 WT A. Monk Seals - 5 swimming on rocks of The Jhallas" Sula leucogaster - Three adults and one chick