Hachman, C.D 1967 Egg Measurements Blue-faced Booby (Sula dactylatra) March 20 Lisiingshi Island All nests on beach crest on bare sand. All with slight depression. All measurements in millimeters: Six incubating male 46.65 x 68.3 ; 46.5 x 74.6 male 47.65 x 72.3 ; 47.25 x 67.95 female 46.2 x 63.35 ; 45.3 x 63.95 female 47.4 x 65.8 male 43.7 x 63.2 ; 45.5 x 63.1 male 46.1 x 65.75 ; 46.85 x 65.7 female 47.4 x 69.65 ; 46.1 x 71.8 unknown 43.95 x 64.35 female 48.45 x 72.9 ; 48.85 x 65.85 male 45.6 x 66.1 ; 46.5 x 66.2 female 47 x 66.7 ; 45.75 x 61.8 male 45.7 x 65.4 ; 44.7 x 47 x 62.55 (stipe) female 46.6 x 66.5 ; 47 x 65.5 One bird in a two egg clutch as it rapidly departed. Both had fairly well developed chicks but one was about twice the size of the other. Egg Measurements + Nest Description Red-footed Booby (Sula sula) March 20 Lisiingshi Ibd. All nests were in Scaerola from 1 foot to 4 1/2 feet in height. Construction was primarily of Tribulus with small amount of Scaerola + Boehmeria. Checked out 85 nests, all new construction; all with sprigs of fresh vegetation. Only 18 had eggs. All measurements in millimeters: 39.2 x 60.0 40.4 x 61.5 42.2 x 63.1 42 x 58.3 42.8 x 67.7 42.5 x 64.9 41.55 x 63 42.25 x 61.8 39.5 x 56.5 41.55 x 62.45 41.75 x 63.8 38.2 x 63.3 41.1 x 65.6 39.55 x 62.65 41.8 x 66.5 40.3 x 64.6 41.8 x 64.25 39.7 x 62.7