. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Table BFB-8. Incubation periods for first and second eggs of Blue-faced Boobies on Green Island, Kure Atoll, 196^-69. 159 Year First Egg Range n Range Second Egg x n 1964 1965 1966 1968 I969 x 4 0-48 days hO-k'J days 43-46 days 42-44 days 42-45 days 40-48 days 37 22 7 4 27 97 40-45 days 41-47 days 41-44 days 40-43 days 4l-45 days 40-47 days 24 20 4 3 22 73 The first eggs hatched on 21 February 1964, 15 March 1965, 27 April 1966, ca. 28 March 1967, 11
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Table BFB-8. Incubation periods for first and second eggs of Blue-faced Boobies on Green Island, Kure Atoll, 196^-69. 159 Year First Egg Range n Range Second Egg x n 1964 1965 1966 1968 I969 x 4 0-48 days hO-k'J days 43-46 days 42-44 days 42-45 days 40-48 days 37 22 7 4 27 97 40-45 days 41-47 days 41-44 days 40-43 days 4l-45 days 40-47 days 24 20 4 3 22 73 The first eggs hatched on 21 February 1964, 15 March 1965, 27 April 1966, ca. 28 March 1967, 11 March 1968, and 2 March I969, and the last eggs hatched on 31 July 19^4, 15 July 1965, l6 July 1966, at least 20 June I967, and 24 July I968. Peak hatching periods occurred 6 weeks after the egg laying peaks. Combined data (Fig. BFB-4) show a peak in late March and April. E. Figure BFB-4 0 Number of Blue-faced Booby nests in which first eggs hatched each semi-monthly period on Green Island, Kure Atoll, 1964-69 (combined data; white bars indicate re-nesting).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Press; National Research Council (U. S. ). Pacific Science Board; Smithsonian Institution; National Museum of Natural History (U. S. ); United States. Bureau of Sport Fisheries and Wildlife. Washington, D. C. : [Smithsonian Press]
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