 Table IV a - Page 33
Airport in Calhoun, Georgia; October 1, 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 |
- |
- |
7:30 -
8:00 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
No migrating butterflies were observed during observations at an
open area near motel in Calhoun. |
Start |
- |
8:25 |
- |
- |
- |
- |
- |
- |
003° |
2.9 m/s |
15.5°C |
- |
none |
No migratory activity was seen during the drive to Calhoun airport
and none was occuring at the Airport. |
200 |
D. plexippus |
8:30 |
130 m |
soar |
circle |
level |
198° |
- |
010° |
2.5 m/s |
- |
yes |
- |
Butterfly was alone in the sky. |
201 |
D. plexippus |
8:34 |
200 m |
soar |
- |
- |
- |
- |
- |
- |
- |
yes |
- |
Lost sight of butterfly against glare of sky. Two more D.
plexippus were also seen - one was flying low. |
202 |
D. plexippus |
8:37 |
130 m |
soar |
circle,
(straight) |
level |
186° |
(right) |
360° |
3.1 m/s |
- |
yes |
- |
Three more D. plexippus were seen, one flying higher then
#202, and two flying lower. |
203 |
D. plexippus |
8:40 |
100 m |
soar |
circle |
climb |
190° |
- |
013° |
4.0 m/s |
- |
yes |
- |
Butterfly started at 60 m and steadily gained altitude while
soaring in circles. Three higher D. plexippus were also seen. |
204 |
D. plexippus |
8:45 |
100 m |
flap,
soar |
straight,
circle |
climb |
204° |
204° |
023° |
2.0 m/s |
- |
yes |
- |
Butterfly started at 60 m, flapped upward until it found a thermal.
It then began soaring in circles and continued to gain altitude. Swifts were
now aloft and foraging. |