 Table XII f - Page 95
Airport in Calhoun, Georgia; October 9, 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 |
430 |
D. plexippus |
2:02 |
2 m |
flap,
soar |
straight,
circle |
level,
climb |
280° |
227° |
154° |
1.8 m/s |
- |
yes |
- |
Butterfly started at 1 m flapped up to a
thermal and continued to climb by circling and soaring. I did not record maximum
altitude. WW: Radar showed butterfly size targets up to an altitude of 1 km. |
431 |
D. plexippus |
2:10 |
12 m |
flap |
straight |
descend |
- |
- |
- |
- |
- |
- |
- |
Butterfly started at 12 m and flapped
down. It was too far to one side to get bearings. |
Break |
- |
2:14 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
432 |
P. sennae |
2:21 |
1 m |
flap |
straight |
level |
167° |
- |
070° |
1.8 m/s |
- |
- |
- |
A second P. sennae and a V.
atalanta were also seen. |
433 |
D. plexippus |
2:29 |
60 m |
soar,
glide |
circle,
straight |
climb,
descend |
222° |
left |
158° |
0.2 m/s |
- |
yes |
- |
Butterfly was moving from thermal to
thermal - It circled and soared, then glided to next thermal 3 times in a row. A
second D. plexippus, vultures, and sharp-shinned hawks were all seen. |
434 |
P. sennae |
2:32 |
3 m |
flap |
straight |
descend |
179° |
- |
060° |
2.7 m/s |
- |
- |
- |
Butterfly started at 3 m and flapped down
to 1 m. |
435 |
P. sennae |
2:40 |
2 m |
flap |
straight |
level |
185° |
- |
085° |
1.2 m/s |
- |
yes |
- |
High scans through binoculars were
unproductive. Swifts were foraging. |