Home  ¦ Index to Field Studies  ¦ Current directory  ¦ Tables:  ¦ I a  ¦ II a  ¦ III a  ¦ IV a  ¦ V a,  V b,  V c,  V d,  V e  ¦ VI a  ¦ VII a  ¦ VIII a  ¦ IX a  ¦ X a  ¦ XI a  ¦ XII a  ¦ XIII a ¦

left arrowarrow leftTable V d  -  Page 42
Airport in Calhoun, Georgia;  October 2, 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 
238 D. plexippus 10:37 1 m flap straight,
erratic
level,
erratic
267° left 246° 3.4 m/s - - - Butterfly was flying along straight when it was attacked by a robber fly.  The butterfly switched to erratic flight and escaped.
239 D. plexippus 10:43 3 m flap straight,
variable
level,
climb
250° left 230° 4.9 m/s 21.5° - - Butterfly started at 0.5 m, flew straight as it crossed the field, then climbed to as it approached trees.
240 D. plexippus 10:46 15 m flap,
soar,
glide
straight,
circle,
straight
level,
climb,
descend
252° left 235° 3.4 m/s - yes - Butterfly started at 0.5 m, climbed to clear tress, circled, soared straight, then glided down.  High scans with binoculars were not productive.
241 D. plexippus 10:51 5 m flap straight level,
climb
257° left 226° 2.0 m/s - - - Butterfly started at 0.5 m, flew straight and level, then climbed to clear trees.  A second D. plexippus was seen off to one side.
242 D. plexippus 10:53 0.3 m flap straight level 252° - 216° 3.4 m/s - - - Butterfly stayed close to the ground.
243 D. plexippus 10:59 0.3 m flap straight,
variable
level 237° left 219° 4.9 m/s - - - Butterfly was chased by a J. coenia.  A second D. plexippus was also seen.
244 D. Plexippus 11:06 5 m flap,
glide
straight climb,
descend
287° 262° 212° 1.8 m/s 21.5°C no - Butterfly started at 0.5 m, climbed to 5 m, then glided down.  No soaring birds were visible.  Ambient Temperature was for 11:10.