. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 145. Figure 44. The TANAGER Expedition camp on Laysan Island following the great sandstorm of April 23-27. Photograph by Donald R. Dickey. Hurried back to the cameras after lunch and packed the Parvo and tripod etc. down to the beach at the SE end of the island. This is site of the main Man-o-war bird rookery, on a low rock escarpment, but they were shy so we quickly turned attention to the "brown gooneys" (D. nigripes). Think I got some fine dances unless I wrecked myself by trying to get world beat
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 145. Figure 44. The TANAGER Expedition camp on Laysan Island following the great sandstorm of April 23-27. Photograph by Donald R. Dickey. Hurried back to the cameras after lunch and packed the Parvo and tripod etc. down to the beach at the SE end of the island. This is site of the main Man-o-war bird rookery, on a low rock escarpment, but they were shy so we quickly turned attention to the "brown gooneys" (D. nigripes). Think I got some fine dances unless I wrecked myself by trying to get world beater shots with clouds back and possibly underexposing with "K2" filter on Orthonon stock. Their dances delight me more and more. By contrast they are as a short- necked swan cake walker—the Laysan bird a mere half -hearted gull-like bobber. Dill or someone has suggested that the reason they nest on the crest of the weather beach is because "possibly the Laysan bird took and held the more favorable lagoon-shore and west ridge-nesting ; [Although both Dill (in Dill and Bryan, 1912) and Fisher (1906) mention the pattern of distribution of nesting colonies of these birds, I could find no quote similar to this regarding its cause in either publication.] It amuses me to think of what nigripes would do to immutabilis if competition were really keen. The latter would, I imagine, go by the board in short order. A saner explanation, it strikes me, is that the sturdier bird chose the windward ridge where a clean-cut run allows it to "take off" easily upwind while the weakling took shelter despite the added difficulty in rising from the level inland surfaces. Now, at last, I had nigripes in sufficient quantity to wind up the matter of the white- marked birds. I had seen so little indication of white rump and crissum elsewhere that I came to think them absent from the island, but they were there today in all degrees up to a light brown bird that is the e
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