SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: 20 Sept 64 Total Minutes: 346 Total Miles 65 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 165 1134 7.00 12.94-17.75 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 116 52 20 0 993 845 21 0 8.36 16.23 1.05 0 152.8 13.00 .32 0 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 1 0 1 1 0 1 1.00 0 1.00 .62 0 .02 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 410 118 2.95 1.42 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 27 0 .22 5 46 0 33 7 1.48 0 1.50 1.40 .62 0 .51 .11 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 2 2 1.00 .63 VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/Mi. 7 811 .11 1 16 .02