SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 19 May 65 Total Minutes: 793 Total Miles 136 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 56 584 10.43 4.29 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 38 7 0 4 93 23 0 6 2.45 3.29 0 1.5 1.68 .17 0 .04 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT 2 0 1 2 0 1 1.0 0 1.0 0.1 0 .01 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 18 482 26.78 3.54 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 5 1.67 .04 VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/Mi. 9 517 .07 6 502 .04