SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 15 Apr 65 Total Minutes: 742 Total Miles 124 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 63 360 5.71 2.90 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 48-13-01 95-42-0-1 1.98 3.33 0 1 .77 .34 0 .01 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 20 2 2 0 2 1.0 0 1.0 .02 0 .02 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 14 252 18.00 2.03 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 11 00 11 00 .01 .01 00 00 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. 12 291 .10 7 254 .06