SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 13 May 65 Total Minutes: 779 Total Miles 115 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 111 387 3.49 3.37 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 90 15 1 14 141 19 1 14 1.57 1.27 1.0 1.0 1.23 1.17 .01 .12 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT 1 0 1 1 0 1 1.0 0 1.0 .01 0 .01 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 18 23/ 12.83 2.01 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 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 6 10 1.67 .09 VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/Mi. 5 220 .04 4 213 .03