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Table of Contents
Great Circle Hypotheis
Magnetoclinic Hypothesis
Magnetic-Latitude Hypothesis
Compass Bearings Hypothesis
Suns' Azimuth Hypothesis
Expansion-Contraction Hypothesis
Always Advance Hypothesis
Never Go Back Hypothesis
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 Index I
Observations of Migrating Butterflies by Glider Pilots
(Response from my article in the August 1998 issue of Soaring Magazine)
|
Date |
Species |
Location |
Observations made from:
|
aircraft |
ground |
|
Sept. 16, 1998 |
Monarch butterfly |
Massachusetts, USA |
yes |
no |
Sept. 13, 16,
1998 |
Monarch butterfly |
Nebraska, USA |
yes |
no |
Sept.
24, 1995 |
Monarch butterfly |
Kansas, USA |
no |
yes |
Fall, early 1980's |
Monarch butterfly |
Virgina, USA |
yes |
yes |
|
To Online Data Entry Form for Glider
Pilots
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