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¦ Tables: ¦ I a ¦ II a ¦ III a,
III
b, III c, III d,
III
e, III f, III g,
III
h, III i, III j,
III
k, III
l, III m, III n,
III
o, III p, III q,
III
r, III s, III t,
III
u ¦ IV a ¦ V a ¦ VI a ¦ VII a ¦ VIII
a ¦ IX a ¦ X a ¦ XI a ¦ XII a ¦ XIII a ¦
 Table III f - Page 17
Airport in Calhoun, Georgia; September 30, 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 |
93 |
D. plexippus |
10:55 |
10 m |
soar,
glide,
soar |
circle,
straight,
circle |
climb,
descend,
climb |
181° |
- |
354° |
4.0 m/s |
- |
- |
- |
Butterfly circled to 10 m, glided down to 7 m, found
another thermal, and circled and soared upward again. Another D. plexippus
and a soaring J. coenia were also seen. |
94 |
D. plexippus |
10:57 |
10 m |
flap,
(soar) |
straight |
level |
200° |
255° |
353° |
3.6 m/s |
- |
yes |
50 %
cumulus |
Two more D. plexippus were seen. Soaring
conditions looked good. |
95 |
D. plexippus |
- |
200 m |
soar |
circle |
- |
- |
- |
- |
- |
- |
yes |
- |
Lost sight of butterfly against the sun. Two
more D. plexippus were seen. |
96 |
D. plexippus |
- |
160 m |
soar |
circle |
climb |
- |
- |
- |
- |
- |
yes |
- |
Butterfly was one member of a pair that were circling
each other as they soared upward (social flight). The pair continue to circle and
soar upward until they vanished nearly directly overhead, making it impossible to get a
compass bearing. Four more D. plexippus were seen. |
97 |
D. plexippus |
11:02 |
100 m |
soar |
straight,
(circle) |
level |
210° |
(right) |
350° |
4.9 m/s |
21.5°C |
yes |
- |
A group of D. plexippus and an A. vanillae
were also seen. |