 Table VII b - Page 48
Airport in Calhoun, Georgia; October 4, 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 |
264 |
D. plexippus |
9:31 |
60 m |
soar |
straight |
level |
184° |
right |
350° |
3.4 m/s |
- |
yes |
- |
- |
265 |
D. plexippus |
9:35 |
100 m |
soar,
(flap) |
circle,
variable |
level |
193° |
(right) |
351° |
3.4 m/s |
12.5°C |
yes |
- |
Butterfly alternated between circling flight and
straight, variable flight. Some flapping during straight flight. |
- |
- |
9:50 |
- |
- |
- |
- |
- |
- |
357° |
4.9 m/s |
13.5° |
- |
- |
A foraging J. coenia was seen. High scans
through binoculars were not productive. |
Break |
- |
9:53 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Resume |
- |
10:16 |
- |
- |
- |
- |
- |
- |
- |
- |
14.0°C |
- |
- |
A foraging D. plexippus was seen. High scans with
binoculars were not productive. The migrants were probably too high. |
Break |
- |
10:22 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
I drove back into town to meet Wayne Wolf and John Westbrook.
They were bringing the Mobile Insect Radar and Weather Station from Tifton Georgia. |
- |
- |
4:14 |
- |
- |
- |
- |
- |
- |
349° |
2.7 m/s |
20°C |
yes |
none |
The Mobile Insect Radar and Weather Station was set up at Calhoun
Airport. Wayne Wolf (WW) said that the radar was detecting scattered D. plexippus-like
targets up to 760 m. High scans throught binoculars were not productive.
Swifts were foraging. |