Leewards, Shearwater, March 1965
Page 4
Image from the Biodiversity Heritage Library. Contributed by Smithsonian Institution Archives. | www.biodiversitylibrary.org
Transcription
SI-MNH-955a Rev. 4-9-64 SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: March 4, 1965 Total Minutes: 716 (0607-1803) Total Miles 139 1. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 91 301 3.31 2.17 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 28 17 - ? 54 30 - ? 1.93 3.21 - - 0.39 0.22 - - III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 0 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 63 242 3.84 1.75 V. Abundance of Shorebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 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? / <0.01 VII. Abundance of Frigatebirds: No. Sightings No. Birds Birds/Sighting Birds/Mile 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. 3 156 0.02 1 76 <0.01