SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: 12 Apr 64 Total Minutes: 346 Total Miles 55 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 51 383 7.61 7.05 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 17 12 D 2 31 18 0 2 1.82 1.5 0 1 .56 .33 0 .04 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 28 310 11.07 5.64 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 1 1 1 .02 VI. Abundance of Boobys: No. Sightings No. Birds Birds/Sighting Birds/Mile T BF RF B T BF RF B T BF RF B 4 - 4 - 43 - 43 - 10.75 10.75 .78 .78 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. 6 319 .11 1 240 .02