SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: Sept. 6 Total Minutes: 740 Total Miles 130 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 63 378 6.00 2.91 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 61 8 34 2 150 30 77 1 2.46 3.75 2.26 2.00 | 1.15 0.23 0.59 0.02 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 2 0 0 2 0 0 1.00 1.00 0.00 .06 .01 0.00 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 4 220 55.00 1.69 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 1 1 1.00 6.01 VI. Abundance of Boobys: No. Sightings No. Birds Birds/Sighting Birds/Mile T BF RF B T BF RF B T BF RF B 0 0 0 0 0 0 0 0 0 0 0 0 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 3 4 1.33 0.03 VIII. Abundance of Flocks: Total No. Flocks Total No. Birds Total No. F/Mi. No. Feeding Flocks No. Feeding Birds No. Feeding F/Mi. 3 307 0.03 1 127 0.01