 Table IX f - Page 66
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 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Tape recorder failed for 24 minutes - no data was lost because no
migrants were seen and weather was unchanged. |
- |
- |
2:54 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
yes |
- |
A D. plexippus was seen foraging. Swifts were
also foraging. Occasionally, a vulture flew by. WW: Radar was detecting
more targets and showing then concentrated in convection cells (thermals). Nothing
was seen in high scans with binoculars. |
322 |
D. plexippus |
3:11 |
15 m |
glide,
flap |
straight |
descend,
level |
320 |
left |
256 |
1.3 m/s |
- |
- |
- |
Butterfly started at 15 m, glided down to 1 m and began flapping.
A sharp-shinned hawk flew over. |
323 |
D. plexippus |
3:11 |
1 m |
flap |
straight,
turn |
level |
236° |
229° |
257° |
5.6 m/s |
25.0°C |
- |
- |
Butterfly flew straight for most of observation, then turned and
headed for the woods. |
324 |
D. plexippus |
3:46 |
1 m |
glide |
straight,
turn |
descend |
- |
- |
280° |
5.6 m/s |
- |
- |
- |
I missed recording starting altitude. The butterfly was
gliding downwind and passed over some trees. The migrant turned around and started
gliding towards the trees. |
- |
- |
4:00 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
WW: Radar showed high targets. We were seeing fallout. |