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left arrowarrow leftTable IV c  -  Page 35
Airport in Calhoun, Georgia;  October 1, 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 
Resume - 2:17 - - - - - - 341° 3.1 m/s 23.5°C yes - D. plexippus and P. sennae were both evident and Vultures were still soaring.
211 D. plexippus 2:22 15 m flap,
glide
straight climb,
descend
224° right 007° 4.9 m/s - - - Butterfly started at 1 m, flapped to 15 m, then glided down.  High scans through binoculars were not productive.
212 D. plexippus 2:30 - flap,
soar
straight,
circle
climb 202° 259° 360° 2.7 m/s - yes - Butterfly started at 4 m, flapped up, encountered lift, and continued to climb while soaring in circles - I missed recording highest altitude.  A second, lower, D. plexippus was also seen.
213 unidentified
sulphur
2:32 30 m flap straight level 137° - 327° 1.8 m/s - - - Butterfly was tentatively identified as either a Colias eurytheme (Orange Sulphur or Alfalfa Butterfly) or a Colias philodice (Common Sulphur or Clouded Sulphur).  High scans through binoculars were not productive.
214 D. plexippus 2:36 30 m flap,
soar
straight,
circle
climb,
descend,
climb
175° right 327° 4.9 m/s - yes - Butterfly started at 1 m, climbed to lift, soared and circled to 30 m, descended under power, then soared upward in circles again.