SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: 25 Apr 65 Total Minutes: 765 Total Miles 141 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 19 23 1.21 1/6 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 14 1 0 0 16 1 0 0 1.15 .1 0 0 ,11 ,01 0 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 3 2 1 3 2 1 1.0 1.0 1.0 ,02 ,01 .01 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 1 1 1.0 ,01 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 1 1 1.0 ,01 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 1 1 0 0 1 1 0 0 1.0 1.0 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. 0 0 0 0 0 0