SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 24 Apr 65 Total Minutes: 754 Total Miles 135 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 27 68 2,52 .50 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 21 4 3 0 22 4 3 0 1.05 .1 1 0 16 , 03 , 02 0 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 1 1 0 1 1 0 1.0 1.0 0 .01 .01 0 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 5 42 8.4 .31 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile O O O O VI. Abundance of Boobys: No. Sightings No. Birds Birds/Sighting Birds/Mile T BF RF B T BF RF B T BF RF B O O O O O O VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile O O O O VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/Mi. 3 39 .02 2 31 .01