Leewards, Shearwater, March 1965
Page 3
Image from the Biodiversity Heritage Library. Contributed by Smithsonian Institution Archives. | www.biodiversitylibrary.org
Transcription
SMITHSONIAN INSTITUTION DIVISION OF BIRDS AT SEA DAILY OBSERVATIONS SUMMARY DATE: March 3, 1965 Total Minutes: 584 (0900-1844) Total Miles 104 1. Total Abundance of birds: No. Sightings No. Birds Birds/Sighting Birds/Mile 46 635 13.80 6.11 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 9 3 1 - 38 3 1 - 4.22 1 1 - 0.37 0.03 0.01 - III. Abundance of Tropicbirds: No. Sightings No. Birds Birds/Sighting Birds/Mile T RT WT T RT WT T RT WT T RT WT 6 - 4 7 - 5 1.17 - 1.25 0.07 - 0.05 IV. Abundance of Terns: No. Sightings No. Birds Birds/Sighting Birds/Mile 26 565 21.73 5,43 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 4 - 2 2 15 - 2 13 3.75 - 1 6.50 0.14 - 0.02 0.13 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. 7 534 0.07 4 508 0.04