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The obelisk posture is a handstand-like position that some dragonflies and damselflies assume to
prevent overheating on sunny days. The abdomen is raised until its tip points at the sun, minimizing
the surface area exposed to solar radiation. When the sun is close to directly overhead, the vertical
alignment of the insect's body suggests an obelisk.Smart little fellows!
Full EXIF Info | |
Date/Time | 04-Oct-2010 14:02:13 |
Make | Nikon |
Model | NIKON D300 |
Flash Used | No |
Focal Length | 86 mm |
Exposure Time | 1/1600 sec |
Aperture | f/4 |
ISO Equivalent | 200 |
Exposure Bias | |
White Balance | |
Metering Mode | matrix (5) |
JPEG Quality | |
Exposure Program | aperture priority (3) |
Focus Distance |
© Monique Simons
comment | |
kenrol | 02-Feb-2011 17:21 | |
Chad Ramsey | 07-Oct-2010 00:03 | |
Milan Vogrin | 04-Oct-2010 14:33 | |