SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 28 Apr 65 Total Minutes: 793 Total Miles 143 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 23 30 1.30 .21 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 19 0 1 0 24 0 1 0 1.26 0 1.0 0 0 1 0 1 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 0 1 1 0 1 1.0 0 1.0 1 0 1 0 .01 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 3 5 1.67 .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 T BF RF B 0 0 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. 0 0 0 0 0 0