. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 176 to the wintering area. Most of the birds observed in the grid in December and January were in apparent first year plumage. No orange-streamered wedge-tails from Johnston were recorded within the grid. At least 25 orange-streamered birds were sighted, however, in the pelagic waters around Johnston Atoll. It is possible that a large part of the grid population consists of non-breeding birds that belong to the larger north-central Pacific population of which Johnston birds are only one group (POBSP, 1967a; Ki
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 176 to the wintering area. Most of the birds observed in the grid in December and January were in apparent first year plumage. No orange-streamered wedge-tails from Johnston were recorded within the grid. At least 25 orange-streamered birds were sighted, however, in the pelagic waters around Johnston Atoll. It is possible that a large part of the grid population consists of non-breeding birds that belong to the larger north-central Pacific population of which Johnston birds are only one group (POBSP, 1967a; King, 1974). Figure 54, Diurnal occurrence of Wedge-tailed Shearwaters (light phase) at sea 175 miles southwest of Johnston Atoll, 1963-1967. 50 1 40 " 00 LU cr oo o o LU a. a: i—i. 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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