SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 19 Apr 65 Total Minutes: 766 Total Miles 137 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 38 57 1.5 .34 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 26 1 1 1 32 1 1 1 1.23 .1 1 1 23 .01 .01 .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 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 3 12 4.0 ,09 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 0 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 3 5 1.67 .04 VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/MI. 1 11 .01 1 11 .01