SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: 19 May 64 Total Minutes: 767 Total Miles 135 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 78 410 5.13 3.04 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 71 19 15 8 182 58 18 8 2.56 3.05 1.20 1 1.35 .43 .13 .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 1 1 1 1 1 1 1 ) IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 6 217 36.17 1.61 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 6 5 - 9 6 1.5 1.2 1.07 1.04 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/MI. 9 315 .07 4 279 .03