SI-MNH-955a 3-4-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA SURVEY CHART A DATE: 28 Apr 64 Total Minutes: 761 Total Miles 125 I. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 33 53 1.61 .42 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 29 2 42 2 1.45 1 .23 .01 III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 3 9 3 .02 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. 1 6 .01