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Table IV c - Page 35 Airport in Calhoun, Georgia; October 1, 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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Resume | - | 2:17 | - | - | - | - | - | - | 341° | 3.1 m/s | 23.5°C | yes | - | D. plexippus and P. sennae were both evident and Vultures were still soaring. |
211 | D. plexippus | 2:22 | 15 m | flap, glide |
straight | climb, descend |
224° | right | 007° | 4.9 m/s | - | - | - | Butterfly started at 1 m, flapped to 15 m, then glided down. High scans through binoculars were not productive. |
212 | D. plexippus | 2:30 | - | flap, soar |
straight, circle |
climb | 202° | 259° | 360° | 2.7 m/s | - | yes | - | Butterfly started at 4 m, flapped up, encountered lift, and continued to climb while soaring in circles - I missed recording highest altitude. A second, lower, D. plexippus was also seen. |
213 | unidentified sulphur |
2:32 | 30 m | flap | straight | level | 137° | - | 327° | 1.8 m/s | - | - | - | Butterfly was tentatively identified as either a Colias eurytheme (Orange Sulphur or Alfalfa Butterfly) or a Colias philodice (Common Sulphur or Clouded Sulphur). High scans through binoculars were not productive. |
214 | D. plexippus | 2:36 | 30 m | flap, soar |
straight, circle |
climb, descend, climb |
175° | right | 327° | 4.9 m/s | - | yes | - | Butterfly started at 1 m, climbed to lift, soared and circled to 30 m, descended under power, then soared upward in circles again. |