 Table IX e - Page 65
Airport in Calhoun, Georgia; October 6, 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 |
317 |
D. plexippus |
12:36 |
3 m |
glide,
soar,
glide |
straight,
circle,
straight |
descend,
level,
descend |
217° |
227° |
288° |
1.3 m/s |
- |
yes |
- |
Butterfly was gradually descending when it encountered lift,
circled a few time, then began gliding down again. |
Break |
- |
12:41 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Large numbers of D. plexippus were foraging. |
Resume |
- |
1:31 |
- |
- |
- |
- |
- |
- |
215° |
3.1 m/s |
- |
- |
- |
- |
- |
- |
1:46 |
- |
- |
- |
- |
- |
- |
215° |
4.9 m/s |
25.5°C |
- |
scat.
cumulus |
A J. coenia and a few P. sennae were seen foraging. |
Break |
- |
2:00 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
318 |
D. plexippus |
2:11 |
0.3 m |
flap |
straight |
level |
188° |
right |
322° |
3.8 m/s |
- |
- |
- |
- |
319 |
D. plexippus |
2:19 |
100 m |
soar |
circle |
level |
down-
wind |
- |
304° |
1.8 m/s |
- |
yes |
- |
Missed recording bearing. |
320 |
D. plexippus |
2:30 |
25 m |
soar,
glide |
circle,
straight,
turn |
climb,
descend |
- |
- |
232° |
3.1 m/s |
- |
yes |
- |
Butterfly started at 20 m and soared in circles as it gained
altitude while drifting over trees. The butterfly stopped circling, turned back, and
glided towards trees. |
321 |
D. plexippus |
2:30 |
1 m |
glide,
flap |
straight |
descend,
level |
202° |
- |
232° |
3.1 m/s |
- |
- |
- |
Butterfly glided down to 1 m and began flapping. John
Westbrook made the observation and I missed recording the starting altitude. |