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left arrowarrow leftTable XI a -  Page 83
Airport in Calhoun, Georgia;  October 8, 1987;    
(Magnetic Declination = 2°W:  Subtract 2° for True Bearing, True Heading and True Wind Direction)
Num.    Species    Time Flight Behavior Weather Field Notes
   I       II    III IV Va Vb Part 1 Part 2 Part 3
 Est.
Alt.
Type
of Flt.
Horiz.
Flt.
Vert.
Flt.
Mag.
Bear.
Mag.
Head.
Wind
Dir.
 Wind 
Vel.
Amb.
Temp
Thrm.
Act.
Cloud 
Types 
Start - 8:04 - - - - - - calm - 4.5°C - - -
- - 8:11 - - - - - - 180° 1.8 m/s - - - WW: No targets were detected.
- - 8:16 - - - - - - - - 7.0°C - - Upper wind was NNW, surface wind was S.
- - 8:30 - - - - - - calm - 9.0°C - clear No activity.
Break - 8:48 - - - - - - - - - - - High scans through binoculars were unproductive.
Resume - 8:51 - - - - - - 64° 2.0 m/s 11.5°C yes - Large flock of swifts were foraging.
- - 9:03 - - - - - - 04° 5.8 m/s - - - -
- - 9:05 - - - - - - - - - - - WW:  Radar was detecting small targets.
Break - 9:18 - - - - - - - - 12.5°C - - WW:  Radar indicated butterfly-like targets at 160 m, moving at speed of wind drift.  John Westbrook saw a D. plexippus flapping at 2 m and Wayne wolf saw one at 7 m.
Resume - 9:24 - - - - - - - - - - - -
386 D. plexippus 9:30 15 m flap,
glide,
soar
straight,
circle
descend,
climb,
level
201° - 348° 4.0 m/s 12.5°C yes - Butterfly was flapping at 15 m.  It glided down and began flapping, flapped up to 15 m again, found a thermal began soaring and circling.