SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: 20 May 64 Total Minutes: 752 Total Miles 124 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 78 583 7.47 4.70 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 73 29 20 8 291 235 22 8 3.99 8.1 1.1 1 2.35 1.90 .18 .06 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 3 3 1 .02 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 6 280 46.67 2.26 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 3 3 3 3 3 3 3 3 1 1 1 1 .02 .02 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 2 2 1 .02 VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/Mi. 7 489 .06 6 484 .05