SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 18May 65 Total Minutes: 785 Total Miles 132 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 85 699 8.2 5.30 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 13 9 3 10 110 30 3 11 1.75 3.33 1.0 1.1 88.3 23 102 .08 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 4 2 1 5 2 1 1.25 1 1 .04 .02 .01 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 26 579 22.27 4.39 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 0 0 0 0 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 .03 VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/Mi. 15 613 .11 12 555 .09