Home  ¦ Index to Field Studies  ¦ Current Directory  ¦ Tables:  ¦ I a  ¦ II a  ¦ III a  ¦ IV a  ¦ V a  ¦ VI a  ¦ VII a  ¦ VIII a  ¦ IX a  ¦ X a,  X b,  X c,  X d,  X e,  X f,  X g,  X h,  X i,  X j,  X k,  X l,  X m,  X n  ¦ XI a  ¦ XII a  ¦ XIII a ¦

left arrowarrow leftTable X i -  Page 77
Airport in Calhoun, Georgia;  October 7, 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 
Break - 2:41 - - - - - - - - - - - WW:  Radar showed abundant targets at altitude.  Some of the targets show wing beats, some do not.
Resume - 2:49 - - - - - - - - - - - A D. plexippus flew over.
360 D. plexippus - - flap - - - 232° - - - - - The butterfly was too far to one side to record bearing.
361 D. plexippus 2:52 100 m soar circle level 104° - 279° 2.0 m/s - yes - -
362 D. plexippus 2:55 - soar straight level 122° 210° 328° 6.3 m/s - yes - -
363 D. plexippus 3:02 45 m flap,
soar		 straight level
 105° 200° 314° 2.0 m/s - yes - Butterfly alternated between flapping and straight soaring flight.  An unidentified large dragonfly flew over.
364 D. plexippus 3:10 100 m soar straight,
circle		 level 133° 217° 329° 2.2 m/s - yes - Butterfly was proceeding by straight soaring flight with brief episodes of circling.
365 D. plexippus 3:12 30 m soar,
glide		 straight,
(circle)		 level, descend 128° 204° 324° 3.6 m/s 20.5°C yes - Butterfly was soaring at 30 m, then glided down to 10 m and headed for a tree.  A second D. plexippus was also seen and a hawk was soaring.
366 D. plexippus 3:18 15 m glide straight descend - - - - - - - Butterfly was too far away for me to get complete data.  It landed in a tree.