 Table IX c - Page 63
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 |
309 |
D. plexippus |
10:39 |
3 m |
glide |
straight |
descend,
land |
25° |
SE |
- |
- |
- |
- |
- |
- |
310 |
D. plexippus |
10:49 |
12 m |
flap,
soar |
straight,
circle |
climb |
30° |
right |
226° |
2.5 m/s |
21.5°C |
yes |
- |
Butterfly flapped up, encountered lift and soared
straight, cleared a building and began to soar in circles, continued to gain altitude,
then cleared some trees and vanished. High scans were not productive. A
vulture was soaring at tree top height. |
311 |
D. plexippus |
- |
5 m |
soar,
flap |
straight |
level |
52° |
108° |
206° |
2.2 m/s |
- |
yes |
- |
Butterfly was soaring most of the time with only brief
episodes of flapping. WW: Radar showed that there were no targets within 60 m
of ground |
312 |
D. plexippus |
11:00 |
1 m |
flap |
straight |
level,
land,
level |
E |
SE |
- |
- |
- |
yes |
- |
Butterfly landed briefly before continuing. A
second D. plexippus was seen foraging and a vulture was soaring. |
Break |
- |
11:11 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
313 |
D. plexippus |
- |
3 m |
flap,
soar,
glide |
straight,
circle,
straight |
climb,
level,
descend |
357° |
left |
222° |
1.8 m/s |
- |
yes |
- |
Butterfly flapped up to a thermal at 3 m, circled a few times, then
glided back down. A second D. plexippus was also seen gliding down. WW:
Radar was still not detecting any targets. |