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Transcription
SI-MNH-955a
Rev. 4-9-64
SMITHSONIAN INSTITUTION
DIVISION OF BIRDS
AT SEA DAILY OBSERVATIONS SUMMARY
DATE: March 23, 1965 Total Minutes: 724 (0646-1850) Total Miles 127
1. Total Abundance of birds:
No. Sightings No. Birds Birds/Sighting Birds/Mile
317 582 1.84 4.51
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
212 130 2 - 316 207 2 - 1.49 1.59 ' - 2.49 1.63 0.02 -
III. Abundance of Tropicbirds:
No. Sightings No. Birds Birds/Sighting Birds/Mile
T RT WT T RT WT T RT WT T RT WT
2 2 / 0.02
IV. Abundance of Terns:
No. Sightings No. Birds Birds/Sighting Birds/Mile
66 203 3.08 1.60
V. Abundance of Shorebirds:
No. Sightings No. Birds Birds/Sighting Birds/Mile
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
33 1 21 9 52 1 27 11 1.58 1 1.29 1.22 0.41 0.01 0.21 0.09
VII. Abundance of Frigatebirds:
No. Sightings No. Birds Birds/Sighting Birds/Mile
7 9 1.29 0.07
VIII. Abundance of Flocks:
Total No. Total No. Total No. No. Feeding No. Feeding No. Feeding
Flocks Birds F/Mi. Flocks Birds F/MI.
2 135 0.02 1 123 <0.01