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Table I e - Page 5 Airport in Calhoun, Georgia; September 28, 1987; (Magnetic Declination = 2°W: Subtract 2° for True Bearing, True Heading and True Wind Direction) |
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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 |
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31 | J. coenia | 11:39 | 1 m | flap | straight | level | 190° | - | 118° | 3.4 m/s | - | - | - | Butterfly was chased by males (smaller and territorial). |
Break | - | 11:40 - 11:45 |
- | - | - | - | - | - | - | - | - | - | - | - |
32 | P. sennae | 11:48 | - | flap | straight | level | 105° | 150° | - | - | 26.5°C | - | - | - |
Break | - | 11:49 | - | - | - | - | - | - | - | - | - | - | - | - |
Resume | - | 3:09 | - | - | - | - | - | - | 113° | 2.7 m/s | 27.5°C | yes | 20% cumulus |
An occasional D. plexippus had been observed during break. |
33 | D. plexippus | 3:16 | 120 m | glide, flap, soar |
straight | straight | 287° | 220 | 151° | 2.7 m/s | - | yes | fading cumulus |
Butterfly descended from 120 m to 30 m, flapped a few times, then encountered lift and soared along in level flight. Foraging J. coenia were also seen. |
34 | P. sennae | 3:25 | 5 m | flap | erratic | erratic | 147° | right | 170° | 1.9 m/s | - | - | - | Altitude of butterfly varied between 1 and 5 m. Courting J. coenia were also seen. |
35 | P. sennae | 3:32 | 3 m | flap | straight | level | 313° | left | 133° | 3.1 m/s | - | yes | - | - |
- | - | 3:39 | - | - | - | - | - | - | 107° | 2.3 m/s | - | yes | - | Swifts and J. coenia were foraging and J. coenia were also courting. |
Quit | - | 4:00 | - | - | - | - | - | - | 104° | 2.3 m/s | - | yes | - | Sharp-shinned hawks were soaring. A Tramea lacerata was seen. No migratory activity was seen at 4:45 or at 5:45. |