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 h -  Page 76
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 
- - 1:58 - - - - - - - - - yes less
cumulus 		WW:  Radar showed a large number of targets.  Alton Sparks:   A D. plexippus was seen flaping along at 2:11.  It had a bearing of 115°.  Vultures were soaring.  Cloud streets were dissipating.
356 D. plexippus 2:16 100 m soar circle,
straight		 level - - 304° 6.5 m/s - yes - Vultures were soaring.  
- - 2:22 - - - - - - - - - - - Radar:  Targets extended up to 1.6 km.  Targets were aligned N/S at lower altitudes, NE/SW at higher altitudes.
357 D. plexippus 2:26 60 m glide,
soar,
glide		 straight,
circle,
straight		 descend,
climb,
descend		 105° 215° 283° 5.6 m/s - yes - Butterfly started at 60 m, glided down to 25 m, ecountered a thermal and began circling and soaring upward, then left the thermal and began gliding down again.
358 D. plexippus 2:30 30 m glide,
soar,
glide		 straight,
circle,
straight		 descend,
climb,
descend		 150° 185° 332° 6.7 m/s - yes - Butterfly was gliding down when it encountered a thermal and switched to circling and soaring flight.  After climbing to 30 m, it left the thermal and began gliding down again.  A second, higher, D. plexippus was also seen.
359 D. plexippus 2:31 100 m soar circle level 108° - 327° 5.1 m/s - yes - -