Home ¦ Index to Field Studies ¦ Current Directory
¦ 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 c - Page 14
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 |
73 |
D. plexippus |
10:07 |
20 m |
flap,
soar |
straight,
circle |
climb |
177° |
right |
359° |
4.0 m/s |
- |
yes |
- |
Butterfly started at 10 m, flapped up to a thermal, circle and
soared, and climbed to 20 m. A second D. plexippus was also seen. |
74 |
D. plexippus |
10:11 |
60 m |
soar |
circle |
climb |
172° |
- |
152° |
6.7 m/s |
- |
yes |
- |
Butterfly started at 60 m and circled and soared upward.
Another D. plexippus was also seen. |
75 |
D. plexippus |
10:13 |
200 m |
soar |
straight |
level |
189° |
WSW |
353° |
3.1 m/s |
- |
yes |
- |
Butterfly soared straight . A second D. plexippus was
seen flying at a higher altitude then #75. |
76 |
D. plexippus |
10:16 |
160 m |
soar |
circle |
level |
176° |
- |
358° |
3.4 m/s |
- |
yes |
- |
Three more D. plexippus were seen, one of which was circling
at a lower altitude then #76. Migrants had been visible only through binoculars
since about 10:05. |
77 |
D. plexippus |
10:20 |
20 m |
flap,
soar |
straight,
circle |
climb |
200° |
287° |
004° |
1.8 m/s |
- |
yes |
- |
A second, higher, D. plexippus was also seen. |
78 |
D. plexippus |
10:22 |
6 m |
flap,
glide |
straight,
variable,
straight |
climb,
descend |
198° |
260° |
358° |
2.7 m/s |
- |
- |
- |
Butterfly climbed to 6 m and then glided back down. Another D.
plexippus was flying at 2 m. There was less convective activity than earlier in
the day. |