SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 27 Apr 65 Total Minutes: 788 Total Miles 153 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 65 85 1,31 .56 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 T WT P B 53 0 0 3 69 0 0 4 1.30 0 0 1.33 .45 0 0 .03 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 4 0 6 6 0 1.5 1.5 0 .05 .05 0 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 6 8 1.33 .06 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 T BF RF B 0 0 0 6 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 0 0 0 0 VIII. Abundance of Flocks: Total No. Flocks Total No. Birds Total No. F/Mi. No. Feeding Flocks No. Feeding Birds No. Feeding F/MI. 1 6 .01 0 0 0