SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: 20 July 64 Total Minutes: 784 Total Miles 121 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 33 910 27.58 7.52 II. Abundance of the Shearwater-Petrel-Albatross Group: No. Sightings No. Birds Birds/Sighting Birds/Mile T WT P B T WT P B T WT P B 27 13 6 1 242 143 151 8.96 1.15 2.50 1 21.00 1.20 .12 .01 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT 2 1 1 2 1 1 1.00 1.00 1.00 .02 .01 .01 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 13 663 51.00 5.48 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile VI. Abundance of Boobys: No. Sightings No. Birds Birds/Sighting Birds/Mile T BF RF B T BF RF B T BF RF B VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 2 3 1.50 .02 VIII. Abundance of Flocks: Total No. Flocks Total No. Birds Total No. F/Mi. No. Feeding Flocks No. Feeding Birds No. Feeding F/MI. 7 879 .06 7 879 .06