SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 23 Apr 65 Total Minutes: 747 Total Miles 108 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 52 206 3.96 1.91 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 42 3 14 1 59 3 17 1 1.40 1.00 1.21 1.00 55.03 .16 .01 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 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 10 145 14.5 1.34 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 1 1 0 0 1 1 0 0 1 0 0 .01 .01 0 0 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 0 0 0 0 VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/Mi. 4 145 .04 4 145 .04