SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 22 Apr 65 Total Minutes: 742 Total Miles 93 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 29 78 2.69 .84 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 2 3 3 29 3 3 4 1.38 .51 1.33 .31 .03 .03 .04 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT 1 0 0 1 0 0 1 0 0 0 .01 0 0 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 5 43 8.6 .46 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 2 2 0 0 2 2 0 0 1.0 1.0 0 0 .02 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. 3 49 .03 1 29 .81