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left arrowarrow leftTable II c  -  Page 8
Airport in Calhoun, Georgia;  September 29, 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
45 D. plexippus 10:18 60 m glide,
flap,
soar
straight,
circle
descend,
climb
310° 250° 127° 6.0 m/s - yes cumulus,
fracto-
cumulus
Butterfly glided down from 20 m and began flapping, flapped up to a thermal over a tree, and circled and soared to 60 m.  Two more D. plexippus and a J. coenia were also seen.
46 J. coenia 10:31 30 m flap straight descend - - 148° 5.1 m/s - yes cumulus
more
defined
Butterfly flapped down to 2 m.  Vultures were soaring at 150 m.  An Eurema nicippe (sleepy orange) was also seen.
47 D. plexippus 10:38 10 m glide,
flap
straight descend,
level
320° 270 170° 6.0 m/s - - - Butterfly started at 10 m, glided down to 2 m, and began flapping.
- - 10:48 - - - - - - 145° 4.0 m/s - - - -
48 D. plexippus 10:50 6 m soar,
glide,
flap
straight descend 317° 251° 150° 3.6 m/s 24.5° yes - Butterfly soared straight at 6 m then glided down close to the ground and began flapping.  Vultures were soaring at 60 m.
Break - 10:58 - - - - - - - - - - - -
49 D. plexippus 2:30 1 m flap straight level 279° left 167° 3.1 m/s 26.5°C yes scattered
cumulus
Butterfly experienced pronounced wind-drift.  Cumulus clouds appeared soft-edged, indicating weak lift.  Vultures were soaring.