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left arrowarrow leftTable XIII a -  Page 100
Airport in Calhoun, Georgia;  October 10, 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 - 9:00 - - - - - - 179 1 m/s 16.5°C - Absent Heat waves (thermals made visible) were rising from ground.
- - 9:37 - - - - - - 160 0.2 m/s 17.5°C - - No butterflies were seen on flowers.
449 D. plexippus 9:46 1 m flap variable level,
landed
192 - 225 1.5 m/s - yes - Butterfly was foraging and landed twice.  A hawk was soaring at 60 m.
- - 9:48 - - - - - - - - - - - Two hawks were soaring at 30 m.
- - 9:52 - - - - - - 010 2.0 m/s - - - -
450 D. plexippus 9:59 30 m flap,
soar
straight,
circle
climb 200 213 317 1 m/s 17.5°C yes - Butterfly started at 2 m, flapped upward, flapped in large a circle, then continued flapping upward, found a thermal and switched to circling, soaring, flight, and climbed to 30 m. Vultures were soaring at 30 m and climbing.
451 D. plexippus 10:06 60 m soar,
glide,
soar
circle,
straight
climb,
descend,
climb
SSE - - - - - - Butterfly was soaring in circles at 15 m, left thermal and glided to a second thermal, then circled and soared to 60 m. Vultures were soaring at 60 m.
- - 10:12 - - - - - - - - - - - Vultures were soaring at 90 m.
Break - 10:33 - - - - - - 260 1.0 m/s 19.5°C - - A B. philenor in escape flight mode flew past.  I returned to the motel to pack.