SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: 21 Apr 64 Total Minutes: 768 Total Miles 138 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 16 19 1.19 .14 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 14 1 2 17 1 2 1.21 1 1 .12 .01 .01 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT 1 1 1 1 1 1 .01 .01 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 1 1 1 .01 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile VI. Abundance of Boobys: No. Sightings No. Birds Birds/Sighting Birds/Mile T BF RF B T BF RF B T BF RF B VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile VIII. Abundance of Flocks: Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding Flocks Birds F/Mi. Flocks Birds F/MI.