 Table XII i - Page 98
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 |
442 |
D. plexippus |
3:46 |
25 m |
soar |
circle |
level |
NW |
- |
- |
- |
- |
yes |
- |
I lost sight of the butterfly. |
443 |
D. plexippus |
3:54 |
60 m |
glide,
flap,
soar |
straight,
circle, |
descend,
level,
climb |
265° |
left |
110° |
1 m/s |
- |
yes |
- |
Butterfly was soaring and circling at 20 m. It
glided down to 3 m and started flapping, then found a thermal and soared and flapped
upward, switched to circlng and soaring and climbed to 60 m. WW: Radar showed
that numbers (aloft) were decreasing rapidly. Swifts were foraging. |
444 |
D. plexippus |
- |
- |
glide |
straight |
descend,
land |
- |
- |
- |
- |
23.0°C |
yes |
- |
Butterfly glided down and landed in the grass. |
445 |
D. plexippus |
4:00 |
- |
glide |
straight |
descend,
land |
W |
left |
- |
- |
- |
yes |
- |
Butterfly glided down and landed in the grass.
It was too far away for me to take its bearings. Vultures were soaring at 60 m
and swifts were foraging. |
446 |
D. plexippus |
4:10 |
45 m |
soar |
circle |
climb |
W |
- |
088 |
1.6 m/s |
- |
yes |
- |
I lost sight of it against the sun. |
447 |
T. lacerata |
4:19 |
3 m |
flap |
straight |
level |
WSW |
178 |
095 |
2.0 m/s |
- |
yes |
- |
WW: Radar showed that most of the targets had
settled. |
- |
- |
4:24 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Released an air sonde. |
448 |
D. plexippus |
4:32 |
7 m |
flap,
soar,
flap |
straight,
circle,
straight |
climb,
level |
248 |
215 |
115 |
1.5 m/s |
- |
yes |
- |
Butterfly flapped up to thermal at 7 m, soared in
circles for a while, then let thermal and resumed flapping flight. |